21969704

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{337}}^1$

素因数の和:653

約数の個数: 32

約数和(自身を含む): 42892200

約数和(自身を除く): 20922496

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 281, 337, 562, 674, 1124, 1348, 2248, 2696, 8149, 9773, 16298, 19546, 32596, 39092, 65192, 78184, 94697, 189394, 378788, 757576, 2746213, 5492426, 10984852, 21969704]

約数ペア:

[(1, 21969704), (2, 10984852), (4, 5492426), (8, 2746213), (29, 757576), (58, 378788), (116, 189394), (232, 94697), (281, 78184), (337, 65192), (562, 39092), (674, 32596), (1124, 19546), (1348, 16298), (2248, 9773), (2696, 8149)]