21103616

素因数分解:

$2^{10}\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:614

約数の個数: 44

約数和(自身を含む): 43404588

約数和(自身を除く): 22300972

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 256, 296, 512, 557, 592, 1024, 1114, 1184, 2228, 2368, 4456, 4736, 8912, 9472, 17824, 18944, 20609, 35648, 37888, 41218, 71296, 82436, 142592, 164872, 285184, 329744, 570368, 659488, 1318976, 2637952, 5275904, 10551808, 21103616]

約数ペア:

[(1, 21103616), (2, 10551808), (4, 5275904), (8, 2637952), (16, 1318976), (32, 659488), (37, 570368), (64, 329744), (74, 285184), (128, 164872), (148, 142592), (256, 82436), (296, 71296), (512, 41218), (557, 37888), (592, 35648), (1024, 20609), (1114, 18944), (1184, 17824), (2228, 9472), (2368, 8912), (4456, 4736)]