21867976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{743}}^1$

素因数の和:1045

約数の個数: 32

約数和(自身を含む): 44372160

約数和(自身を除く): 22504184

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 283, 566, 743, 1132, 1486, 2264, 2972, 3679, 5944, 7358, 9659, 14716, 19318, 29432, 38636, 77272, 210269, 420538, 841076, 1682152, 2733497, 5466994, 10933988, 21867976]

約数ペア:

[(1, 21867976), (2, 10933988), (4, 5466994), (8, 2733497), (13, 1682152), (26, 841076), (52, 420538), (104, 210269), (283, 77272), (566, 38636), (743, 29432), (1132, 19318), (1486, 14716), (2264, 9659), (2972, 7358), (3679, 5944)]