21475688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5581}}^1$

素因数の和:5637

約数の個数: 32

約数和(自身を含む): 44544360

約数和(自身を除く): 23068672

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 5581, 11162, 22324, 44648, 72553, 145106, 206497, 290212, 412994, 580424, 825988, 1651976, 2684461, 5368922, 10737844, 21475688]

約数ペア:

[(1, 21475688), (2, 10737844), (4, 5368922), (8, 2684461), (13, 1651976), (26, 825988), (37, 580424), (52, 412994), (74, 290212), (104, 206497), (148, 145106), (296, 72553), (481, 44648), (962, 22324), (1924, 11162), (3848, 5581)]