21565255088

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{601}}^1\times {\mathrm{1033}}^1$

素因数の和:1822

約数の個数: 80

約数和(自身を含む): 45385386816

約数和(自身を除く): 23820131728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 167, 208, 334, 601, 668, 1033, 1202, 1336, 2066, 2171, 2404, 2672, 4132, 4342, 4808, 7813, 8264, 8684, 9616, 13429, 15626, 16528, 17368, 26858, 31252, 34736, 53716, 62504, 100367, 107432, 125008, 172511, 200734, 214864, 345022, 401468, 620833, 690044, 802936, 1241666, 1304771, 1380088, 1605872, 2242643, 2483332, 2609542, 2760176, 4485286, 4966664, 5219084, 8070829, 8970572, 9933328, 10438168, 16141658, 17941144, 20876336, 32283316, 35882288, 64566632, 103679111, 129133264, 207358222, 414716444, 829432888, 1347828443, 1658865776, 2695656886, 5391313772, 10782627544, 21565255088]

約数ペア:

[(1, 21565255088), (2, 10782627544), (4, 5391313772), (8, 2695656886), (13, 1658865776), (16, 1347828443), (26, 829432888), (52, 414716444), (104, 207358222), (167, 129133264), (208, 103679111), (334, 64566632), (601, 35882288), (668, 32283316), (1033, 20876336), (1202, 17941144), (1336, 16141658), (2066, 10438168), (2171, 9933328), (2404, 8970572), (2672, 8070829), (4132, 5219084), (4342, 4966664), (4808, 4485286), (7813, 2760176), (8264, 2609542), (8684, 2483332), (9616, 2242643), (13429, 1605872), (15626, 1380088), (16528, 1304771), (17368, 1241666), (26858, 802936), (31252, 690044), (34736, 620833), (53716, 401468), (62504, 345022), (100367, 214864), (107432, 200734), (125008, 172511)]