21303986

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 36049536

約数和(自身を除く): 14745550

約数列:

[1, 2, 11, 22, 53, 106, 121, 151, 242, 302, 583, 1166, 1331, 1661, 2662, 3322, 6413, 8003, 12826, 16006, 18271, 36542, 70543, 88033, 141086, 176066, 200981, 401962, 968363, 1936726, 10651993, 21303986]

約数ペア:

[(1, 21303986), (2, 10651993), (11, 1936726), (22, 968363), (53, 401962), (106, 200981), (121, 176066), (151, 141086), (242, 88033), (302, 70543), (583, 36542), (1166, 18271), (1331, 16006), (1661, 12826), (2662, 8003), (3322, 6413)]