21511936

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{4943}}^1$

素因数の和:4976

約数の個数: 36

約数和(自身を含む): 45474912

約数和(自身を除く): 23962976

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 544, 1088, 2176, 4352, 4943, 9886, 19772, 39544, 79088, 84031, 158176, 168062, 316352, 336124, 632704, 672248, 1265408, 1344496, 2688992, 5377984, 10755968, 21511936]

約数ペア:

[(1, 21511936), (2, 10755968), (4, 5377984), (8, 2688992), (16, 1344496), (17, 1265408), (32, 672248), (34, 632704), (64, 336124), (68, 316352), (128, 168062), (136, 158176), (256, 84031), (272, 79088), (544, 39544), (1088, 19772), (2176, 9886), (4352, 4943)]