21767070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55813}}^1$

素因数の和:55836

約数の個数: 32

約数和(自身を含む): 56260512

約数和(自身を除く): 34493442

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 55813, 111626, 167439, 279065, 334878, 558130, 725569, 837195, 1451138, 1674390, 2176707, 3627845, 4353414, 7255690, 10883535, 21767070]

約数ペア:

[(1, 21767070), (2, 10883535), (3, 7255690), (5, 4353414), (6, 3627845), (10, 2176707), (13, 1674390), (15, 1451138), (26, 837195), (30, 725569), (39, 558130), (65, 334878), (78, 279065), (130, 167439), (195, 111626), (390, 55813)]