21160448

素因数分解:

$2^9\times {\mathrm{37}}^1\times {\mathrm{1117}}^1$

素因数の和:1172

約数の個数: 40

約数和(自身を含む): 43461132

約数和(自身を除く): 22300684

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 256, 296, 512, 592, 1117, 1184, 2234, 2368, 4468, 4736, 8936, 9472, 17872, 18944, 35744, 41329, 71488, 82658, 142976, 165316, 285952, 330632, 571904, 661264, 1322528, 2645056, 5290112, 10580224, 21160448]

約数ペア:

[(1, 21160448), (2, 10580224), (4, 5290112), (8, 2645056), (16, 1322528), (32, 661264), (37, 571904), (64, 330632), (74, 285952), (128, 165316), (148, 142976), (256, 82658), (296, 71488), (512, 41329), (592, 35744), (1117, 18944), (1184, 17872), (2234, 9472), (2368, 8936), (4468, 4736)]