21010472

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{7079}}^1$

素因数の和:7145

約数の個数: 32

約数和(自身を含む): 45878400

約数和(自身を除く): 24867928

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 7079, 14158, 28316, 49553, 56632, 99106, 198212, 375187, 396424, 750374, 1500748, 2626309, 3001496, 5252618, 10505236, 21010472]

約数ペア:

[(1, 21010472), (2, 10505236), (4, 5252618), (7, 3001496), (8, 2626309), (14, 1500748), (28, 750374), (53, 396424), (56, 375187), (106, 198212), (212, 99106), (371, 56632), (424, 49553), (742, 28316), (1484, 14158), (2968, 7079)]