21887872

素因数分解:

$2^7\times {\mathrm{307}}^1\times {\mathrm{557}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 43825320

約数和(自身を除く): 21937448

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 307, 557, 614, 1114, 1228, 2228, 2456, 4456, 4912, 8912, 9824, 17824, 19648, 35648, 39296, 71296, 170999, 341998, 683996, 1367992, 2735984, 5471968, 10943936, 21887872]

約数ペア:

[(1, 21887872), (2, 10943936), (4, 5471968), (8, 2735984), (16, 1367992), (32, 683996), (64, 341998), (128, 170999), (307, 71296), (557, 39296), (614, 35648), (1114, 19648), (1228, 17824), (2228, 9824), (2456, 8912), (4456, 4912)]