21229126864

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3890969}}^1$

素因数の和:3891019

約数の個数: 40

約数和(自身を含む): 46318106880

約数和(自身を除く): 25088980016

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 5456, 3890969, 7781938, 15563876, 31127752, 42800659, 62255504, 85601318, 120620039, 171202636, 241240078, 342405272, 482480156, 684810544, 964960312, 1326820429, 1929920624, 2653640858, 5307281716, 10614563432, 21229126864]

約数ペア:

[(1, 21229126864), (2, 10614563432), (4, 5307281716), (8, 2653640858), (11, 1929920624), (16, 1326820429), (22, 964960312), (31, 684810544), (44, 482480156), (62, 342405272), (88, 241240078), (124, 171202636), (176, 120620039), (248, 85601318), (341, 62255504), (496, 42800659), (682, 31127752), (1364, 15563876), (2728, 7781938), (5456, 3890969)]