21479416

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{7237}}^1$

素因数の和:7303

約数の個数: 32

約数和(自身を含む): 46902240

約数和(自身を除く): 25422824

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 7237, 14474, 28948, 50659, 57896, 101318, 202636, 383561, 405272, 767122, 1534244, 2684927, 3068488, 5369854, 10739708, 21479416]

約数ペア:

[(1, 21479416), (2, 10739708), (4, 5369854), (7, 3068488), (8, 2684927), (14, 1534244), (28, 767122), (53, 405272), (56, 383561), (106, 202636), (212, 101318), (371, 57896), (424, 50659), (742, 28948), (1484, 14474), (2968, 7237)]