21477402

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{479}}^1$

素因数の和:587

約数の個数: 48

約数和(自身を含む): 48522240

約数和(自身を除く): 27044838

約数列:

[1, 2, 3, 6, 9, 18, 47, 53, 94, 106, 141, 159, 282, 318, 423, 477, 479, 846, 954, 958, 1437, 2491, 2874, 4311, 4982, 7473, 8622, 14946, 22419, 22513, 25387, 44838, 45026, 50774, 67539, 76161, 135078, 152322, 202617, 228483, 405234, 456966, 1193189, 2386378, 3579567, 7159134, 10738701, 21477402]

約数ペア:

[(1, 21477402), (2, 10738701), (3, 7159134), (6, 3579567), (9, 2386378), (18, 1193189), (47, 456966), (53, 405234), (94, 228483), (106, 202617), (141, 152322), (159, 135078), (282, 76161), (318, 67539), (423, 50774), (477, 45026), (479, 44838), (846, 25387), (954, 22513), (958, 22419), (1437, 14946), (2491, 8622), (2874, 7473), (4311, 4982)]