21231488

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{4483}}^1$

素因数の和:4534

約数の個数: 32

約数和(自身を含む): 43449960

約数和(自身を除く): 22218472

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 296, 592, 1184, 2368, 4483, 4736, 8966, 17932, 35864, 71728, 143456, 165871, 286912, 331742, 573824, 663484, 1326968, 2653936, 5307872, 10615744, 21231488]

約数ペア:

[(1, 21231488), (2, 10615744), (4, 5307872), (8, 2653936), (16, 1326968), (32, 663484), (37, 573824), (64, 331742), (74, 286912), (128, 165871), (148, 143456), (296, 71728), (592, 35864), (1184, 17932), (2368, 8966), (4483, 4736)]