21532268

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 42184800

約数和(自身を除く): 20652532

約数列:

[1, 2, 4, 17, 29, 34, 58, 61, 68, 116, 122, 179, 244, 358, 493, 716, 986, 1037, 1769, 1972, 2074, 3043, 3538, 4148, 5191, 6086, 7076, 10382, 10919, 12172, 20764, 21838, 30073, 43676, 60146, 88247, 120292, 176494, 185623, 316651, 352988, 371246, 633302, 742492, 1266604, 5383067, 10766134, 21532268]

約数ペア:

[(1, 21532268), (2, 10766134), (4, 5383067), (17, 1266604), (29, 742492), (34, 633302), (58, 371246), (61, 352988), (68, 316651), (116, 185623), (122, 176494), (179, 120292), (244, 88247), (358, 60146), (493, 43676), (716, 30073), (986, 21838), (1037, 20764), (1769, 12172), (1972, 10919), (2074, 10382), (3043, 7076), (3538, 6086), (4148, 5191)]