21491968

素因数分解:

$2^8\times {\mathrm{37}}^1\times {\mathrm{2269}}^1$

素因数の和:2322

約数の個数: 36

約数和(自身を含む): 44078860

約数和(自身を除く): 22586892

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 256, 296, 592, 1184, 2269, 2368, 4538, 4736, 9076, 9472, 18152, 36304, 72608, 83953, 145216, 167906, 290432, 335812, 580864, 671624, 1343248, 2686496, 5372992, 10745984, 21491968]

約数ペア:

[(1, 21491968), (2, 10745984), (4, 5372992), (8, 2686496), (16, 1343248), (32, 671624), (37, 580864), (64, 335812), (74, 290432), (128, 167906), (148, 145216), (256, 83953), (296, 72608), (592, 36304), (1184, 18152), (2269, 9472), (2368, 9076), (4538, 4736)]