21725988

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 52920000

約数和(自身を除く): 31194012

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 149, 174, 298, 348, 419, 447, 596, 838, 894, 1257, 1676, 1788, 2514, 4321, 5028, 8642, 12151, 12963, 17284, 24302, 25926, 36453, 48604, 51852, 62431, 72906, 124862, 145812, 187293, 249724, 374586, 749172, 1810499, 3620998, 5431497, 7241996, 10862994, 21725988]

約数ペア:

[(1, 21725988), (2, 10862994), (3, 7241996), (4, 5431497), (6, 3620998), (12, 1810499), (29, 749172), (58, 374586), (87, 249724), (116, 187293), (149, 145812), (174, 124862), (298, 72906), (348, 62431), (419, 51852), (447, 48604), (596, 36453), (838, 25926), (894, 24302), (1257, 17284), (1676, 12963), (1788, 12151), (2514, 8642), (4321, 5028)]