21554204088

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{277789}}^1$

素因数の和:277912

約数の個数: 64

約数和(自身を含む): 55802455200

約数和(自身を除く): 34248251112

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 61, 106, 122, 159, 183, 212, 244, 318, 366, 424, 488, 636, 732, 1272, 1464, 3233, 6466, 9699, 12932, 19398, 25864, 38796, 77592, 277789, 555578, 833367, 1111156, 1666734, 2222312, 3333468, 6666936, 14722817, 16945129, 29445634, 33890258, 44168451, 50835387, 58891268, 67780516, 88336902, 101670774, 117782536, 135561032, 176673804, 203341548, 353347608, 406683096, 898091837, 1796183674, 2694275511, 3592367348, 5388551022, 7184734696, 10777102044, 21554204088]

約数ペア:

[(1, 21554204088), (2, 10777102044), (3, 7184734696), (4, 5388551022), (6, 3592367348), (8, 2694275511), (12, 1796183674), (24, 898091837), (53, 406683096), (61, 353347608), (106, 203341548), (122, 176673804), (159, 135561032), (183, 117782536), (212, 101670774), (244, 88336902), (318, 67780516), (366, 58891268), (424, 50835387), (488, 44168451), (636, 33890258), (732, 29445634), (1272, 16945129), (1464, 14722817), (3233, 6666936), (6466, 3333468), (9699, 2222312), (12932, 1666734), (19398, 1111156), (25864, 833367), (38796, 555578), (77592, 277789)]