21706370760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{21139}}^1$

素因数の和:21395

約数の個数: 128

約数和(自身を含む): 66971520000

約数和(自身を除く): 45265149240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 199, 215, 258, 344, 398, 430, 516, 597, 645, 796, 860, 995, 1032, 1194, 1290, 1592, 1720, 1990, 2388, 2580, 2985, 3980, 4776, 5160, 5970, 7960, 8557, 11940, 17114, 21139, 23880, 25671, 34228, 42278, 42785, 51342, 63417, 68456, 84556, 85570, 102684, 105695, 126834, 128355, 169112, 171140, 205368, 211390, 253668, 256710, 317085, 342280, 422780, 507336, 513420, 634170, 845560, 908977, 1026840, 1268340, 1817954, 2536680, 2726931, 3635908, 4206661, 4544885, 5453862, 7271816, 8413322, 9089770, 10907724, 12619983, 13634655, 16826644, 18179540, 21033305, 21815448, 25239966, 27269310, 33653288, 36359080, 42066610, 50479932, 54538620, 63099915, 84133220, 100959864, 109077240, 126199830, 168266440, 180886423, 252399660, 361772846, 504799320, 542659269, 723545692, 904432115, 1085318538, 1447091384, 1808864230, 2170637076, 2713296345, 3617728460, 4341274152, 5426592690, 7235456920, 10853185380, 21706370760]

約数ペア:

[(1, 21706370760), (2, 10853185380), (3, 7235456920), (4, 5426592690), (5, 4341274152), (6, 3617728460), (8, 2713296345), (10, 2170637076), (12, 1808864230), (15, 1447091384), (20, 1085318538), (24, 904432115), (30, 723545692), (40, 542659269), (43, 504799320), (60, 361772846), (86, 252399660), (120, 180886423), (129, 168266440), (172, 126199830), (199, 109077240), (215, 100959864), (258, 84133220), (344, 63099915), (398, 54538620), (430, 50479932), (516, 42066610), (597, 36359080), (645, 33653288), (796, 27269310), (860, 25239966), (995, 21815448), (1032, 21033305), (1194, 18179540), (1290, 16826644), (1592, 13634655), (1720, 12619983), (1990, 10907724), (2388, 9089770), (2580, 8413322), (2985, 7271816), (3980, 5453862), (4776, 4544885), (5160, 4206661), (5970, 3635908), (7960, 2726931), (8557, 2536680), (11940, 1817954), (17114, 1268340), (21139, 1026840), (23880, 908977), (25671, 845560), (34228, 634170), (42278, 513420), (42785, 507336), (51342, 422780), (63417, 342280), (68456, 317085), (84556, 256710), (85570, 253668), (102684, 211390), (105695, 205368), (126834, 171140), (128355, 169112)]