21888632

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 42183120

約数和(自身を除く): 20294488

約数列:

[1, 2, 4, 8, 67, 97, 134, 194, 268, 388, 421, 536, 776, 842, 1684, 3368, 6499, 12998, 25996, 28207, 40837, 51992, 56414, 81674, 112828, 163348, 225656, 326696, 2736079, 5472158, 10944316, 21888632]

約数ペア:

[(1, 21888632), (2, 10944316), (4, 5472158), (8, 2736079), (67, 326696), (97, 225656), (134, 163348), (194, 112828), (268, 81674), (388, 56414), (421, 51992), (536, 40837), (776, 28207), (842, 25996), (1684, 12998), (3368, 6499)]