21701686

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 14586314

約数列:

[1, 2, 19, 29, 38, 47, 58, 94, 419, 551, 838, 893, 1102, 1363, 1786, 2726, 7961, 12151, 15922, 19693, 24302, 25897, 39386, 51794, 230869, 374167, 461738, 571097, 748334, 1142194, 10850843, 21701686]

約数ペア:

[(1, 21701686), (2, 10850843), (19, 1142194), (29, 748334), (38, 571097), (47, 461738), (58, 374167), (94, 230869), (419, 51794), (551, 39386), (838, 25897), (893, 24302), (1102, 19693), (1363, 15922), (1786, 12151), (2726, 7961)]