21007001808

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{20897}}^1$

素因数の和:21106

約数の個数: 160

約数和(自身を含む): 65302070400

約数和(自身を除く): 44295068592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 104, 108, 117, 144, 156, 179, 208, 216, 234, 312, 351, 358, 432, 468, 537, 624, 702, 716, 936, 1074, 1404, 1432, 1611, 1872, 2148, 2327, 2808, 2864, 3222, 4296, 4654, 4833, 5616, 6444, 6981, 8592, 9308, 9666, 12888, 13962, 18616, 19332, 20897, 20943, 25776, 27924, 37232, 38664, 41794, 41886, 55848, 62691, 62829, 77328, 83588, 83772, 111696, 125382, 125658, 167176, 167544, 188073, 250764, 251316, 271661, 334352, 335088, 376146, 501528, 502632, 543322, 564219, 752292, 814983, 1003056, 1005264, 1086644, 1128438, 1504584, 1629966, 2173288, 2256876, 2444949, 3009168, 3259932, 3740563, 4346576, 4513752, 4889898, 6519864, 7334847, 7481126, 9027504, 9779796, 11221689, 13039728, 14669694, 14962252, 19559592, 22443378, 29339388, 29924504, 33665067, 39119184, 44886756, 48627319, 58678776, 59849008, 67330134, 89773512, 97254638, 100995201, 117357552, 134660268, 145881957, 179547024, 194509276, 201990402, 269320536, 291763914, 389018552, 403980804, 437645871, 538641072, 583527828, 778037104, 807961608, 875291742, 1167055656, 1312937613, 1615923216, 1750583484, 2334111312, 2625875226, 3501166968, 5251750452, 7002333936, 10503500904, 21007001808]

約数ペア:

[(1, 21007001808), (2, 10503500904), (3, 7002333936), (4, 5251750452), (6, 3501166968), (8, 2625875226), (9, 2334111312), (12, 1750583484), (13, 1615923216), (16, 1312937613), (18, 1167055656), (24, 875291742), (26, 807961608), (27, 778037104), (36, 583527828), (39, 538641072), (48, 437645871), (52, 403980804), (54, 389018552), (72, 291763914), (78, 269320536), (104, 201990402), (108, 194509276), (117, 179547024), (144, 145881957), (156, 134660268), (179, 117357552), (208, 100995201), (216, 97254638), (234, 89773512), (312, 67330134), (351, 59849008), (358, 58678776), (432, 48627319), (468, 44886756), (537, 39119184), (624, 33665067), (702, 29924504), (716, 29339388), (936, 22443378), (1074, 19559592), (1404, 14962252), (1432, 14669694), (1611, 13039728), (1872, 11221689), (2148, 9779796), (2327, 9027504), (2808, 7481126), (2864, 7334847), (3222, 6519864), (4296, 4889898), (4654, 4513752), (4833, 4346576), (5616, 3740563), (6444, 3259932), (6981, 3009168), (8592, 2444949), (9308, 2256876), (9666, 2173288), (12888, 1629966), (13962, 1504584), (18616, 1128438), (19332, 1086644), (20897, 1005264), (20943, 1003056), (25776, 814983), (27924, 752292), (37232, 564219), (38664, 543322), (41794, 502632), (41886, 501528), (55848, 376146), (62691, 335088), (62829, 334352), (77328, 271661), (83588, 251316), (83772, 250764), (111696, 188073), (125382, 167544), (125658, 167176)]