21690848

素因数分解:

$2^5\times {\mathrm{67}}^2\times {\mathrm{151}}^1$

素因数の和:295

約数の個数: 36

約数和(自身を含む): 43637832

約数和(自身を除く): 21946984

約数列:

[1, 2, 4, 8, 16, 32, 67, 134, 151, 268, 302, 536, 604, 1072, 1208, 2144, 2416, 4489, 4832, 8978, 10117, 17956, 20234, 35912, 40468, 71824, 80936, 143648, 161872, 323744, 677839, 1355678, 2711356, 5422712, 10845424, 21690848]

約数ペア:

[(1, 21690848), (2, 10845424), (4, 5422712), (8, 2711356), (16, 1355678), (32, 677839), (67, 323744), (134, 161872), (151, 143648), (268, 80936), (302, 71824), (536, 40468), (604, 35912), (1072, 20234), (1208, 17956), (2144, 10117), (2416, 8978), (4489, 4832)]