21572776

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2351}}^1$

素因数の和:2425

約数の個数: 32

約数和(自身を含む): 42900480

約数和(自身を除く): 21327704

約数列:

[1, 2, 4, 8, 31, 37, 62, 74, 124, 148, 248, 296, 1147, 2294, 2351, 4588, 4702, 9176, 9404, 18808, 72881, 86987, 145762, 173974, 291524, 347948, 583048, 695896, 2696597, 5393194, 10786388, 21572776]

約数ペア:

[(1, 21572776), (2, 10786388), (4, 5393194), (8, 2696597), (31, 695896), (37, 583048), (62, 347948), (74, 291524), (124, 173974), (148, 145762), (248, 86987), (296, 72881), (1147, 18808), (2294, 9404), (2351, 9176), (4588, 4702)]