21492575988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{512167}}^1$

素因数の和:512456

約数の個数: 48

約数和(自身を含む): 54207861120

約数和(自身を除く): 32715285132

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 269, 538, 807, 1076, 1614, 3228, 3497, 6994, 10491, 13988, 20982, 41964, 512167, 1024334, 1536501, 2048668, 3073002, 6146004, 6658171, 13316342, 19974513, 26632684, 39949026, 79898052, 137772923, 275545846, 413318769, 551091692, 826637538, 1653275076, 1791047999, 3582095998, 5373143997, 7164191996, 10746287994, 21492575988]

約数ペア:

[(1, 21492575988), (2, 10746287994), (3, 7164191996), (4, 5373143997), (6, 3582095998), (12, 1791047999), (13, 1653275076), (26, 826637538), (39, 551091692), (52, 413318769), (78, 275545846), (156, 137772923), (269, 79898052), (538, 39949026), (807, 26632684), (1076, 19974513), (1614, 13316342), (3228, 6658171), (3497, 6146004), (6994, 3073002), (10491, 2048668), (13988, 1536501), (20982, 1024334), (41964, 512167)]