21228384

素因数分解:

$2^5\times 3^1\times {\mathrm{397}}^1\times {\mathrm{557}}^1$

素因数の和:967

約数の個数: 48

約数和(自身を含む): 55965168

約数和(自身を除く): 34736784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 397, 557, 794, 1114, 1191, 1588, 1671, 2228, 2382, 3176, 3342, 4456, 4764, 6352, 6684, 8912, 9528, 12704, 13368, 17824, 19056, 26736, 38112, 53472, 221129, 442258, 663387, 884516, 1326774, 1769032, 2653548, 3538064, 5307096, 7076128, 10614192, 21228384]

約数ペア:

[(1, 21228384), (2, 10614192), (3, 7076128), (4, 5307096), (6, 3538064), (8, 2653548), (12, 1769032), (16, 1326774), (24, 884516), (32, 663387), (48, 442258), (96, 221129), (397, 53472), (557, 38112), (794, 26736), (1114, 19056), (1191, 17824), (1588, 13368), (1671, 12704), (2228, 9528), (2382, 8912), (3176, 6684), (3342, 6352), (4456, 4764)]