21807581640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{48371}}^1$

素因数の和:48432

約数の個数: 192

約数和(自身を含む): 74845028160

約数和(自身を除く): 53037446520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 289, 312, 340, 390, 408, 442, 510, 520, 578, 663, 680, 780, 867, 884, 1020, 1105, 1156, 1326, 1445, 1560, 1734, 1768, 2040, 2210, 2312, 2652, 2890, 3315, 3468, 3757, 4335, 4420, 5304, 5780, 6630, 6936, 7514, 8670, 8840, 11271, 11560, 13260, 15028, 17340, 18785, 22542, 26520, 30056, 34680, 37570, 45084, 48371, 56355, 75140, 90168, 96742, 112710, 145113, 150280, 193484, 225420, 241855, 290226, 386968, 450840, 483710, 580452, 628823, 725565, 822307, 967420, 1160904, 1257646, 1451130, 1644614, 1886469, 1934840, 2466921, 2515292, 2902260, 3144115, 3289228, 3772938, 4111535, 4933842, 5030584, 5804520, 6288230, 6578456, 7545876, 8223070, 9432345, 9867684, 10689991, 12334605, 12576460, 13979219, 15091752, 16446140, 18864690, 19735368, 21379982, 24669210, 25152920, 27958438, 32069973, 32892280, 37729380, 41937657, 42759964, 49338420, 53449955, 55916876, 64139946, 69896095, 75458760, 83875314, 85519928, 98676840, 106899910, 111833752, 128279892, 139792190, 160349865, 167750628, 181729847, 209688285, 213799820, 256559784, 279584380, 320699730, 335501256, 363459694, 419376570, 427599640, 545189541, 559168760, 641399460, 726919388, 838753140, 908649235, 1090379082, 1282798920, 1453838776, 1677506280, 1817298470, 2180758164, 2725947705, 3634596940, 4361516328, 5451895410, 7269193880, 10903790820, 21807581640]

約数ペア:

[(1, 21807581640), (2, 10903790820), (3, 7269193880), (4, 5451895410), (5, 4361516328), (6, 3634596940), (8, 2725947705), (10, 2180758164), (12, 1817298470), (13, 1677506280), (15, 1453838776), (17, 1282798920), (20, 1090379082), (24, 908649235), (26, 838753140), (30, 726919388), (34, 641399460), (39, 559168760), (40, 545189541), (51, 427599640), (52, 419376570), (60, 363459694), (65, 335501256), (68, 320699730), (78, 279584380), (85, 256559784), (102, 213799820), (104, 209688285), (120, 181729847), (130, 167750628), (136, 160349865), (156, 139792190), (170, 128279892), (195, 111833752), (204, 106899910), (221, 98676840), (255, 85519928), (260, 83875314), (289, 75458760), (312, 69896095), (340, 64139946), (390, 55916876), (408, 53449955), (442, 49338420), (510, 42759964), (520, 41937657), (578, 37729380), (663, 32892280), (680, 32069973), (780, 27958438), (867, 25152920), (884, 24669210), (1020, 21379982), (1105, 19735368), (1156, 18864690), (1326, 16446140), (1445, 15091752), (1560, 13979219), (1734, 12576460), (1768, 12334605), (2040, 10689991), (2210, 9867684), (2312, 9432345), (2652, 8223070), (2890, 7545876), (3315, 6578456), (3468, 6288230), (3757, 5804520), (4335, 5030584), (4420, 4933842), (5304, 4111535), (5780, 3772938), (6630, 3289228), (6936, 3144115), (7514, 2902260), (8670, 2515292), (8840, 2466921), (11271, 1934840), (11560, 1886469), (13260, 1644614), (15028, 1451130), (17340, 1257646), (18785, 1160904), (22542, 967420), (26520, 822307), (30056, 725565), (34680, 628823), (37570, 580452), (45084, 483710), (48371, 450840), (56355, 386968), (75140, 290226), (90168, 241855), (96742, 225420), (112710, 193484), (145113, 150280)]