21906816

素因数分解:

$2^7\times 3^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1$

素因数の和:747

約数の個数: 64

約数和(自身を含む): 58935600

約数和(自身を除く): 37028784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 89, 96, 128, 178, 192, 267, 356, 384, 534, 641, 712, 1068, 1282, 1424, 1923, 2136, 2564, 2848, 3846, 4272, 5128, 5696, 7692, 8544, 10256, 11392, 15384, 17088, 20512, 30768, 34176, 41024, 57049, 61536, 82048, 114098, 123072, 171147, 228196, 246144, 342294, 456392, 684588, 912784, 1369176, 1825568, 2738352, 3651136, 5476704, 7302272, 10953408, 21906816]

約数ペア:

[(1, 21906816), (2, 10953408), (3, 7302272), (4, 5476704), (6, 3651136), (8, 2738352), (12, 1825568), (16, 1369176), (24, 912784), (32, 684588), (48, 456392), (64, 342294), (89, 246144), (96, 228196), (128, 171147), (178, 123072), (192, 114098), (267, 82048), (356, 61536), (384, 57049), (534, 41024), (641, 34176), (712, 30768), (1068, 20512), (1282, 17088), (1424, 15384), (1923, 11392), (2136, 10256), (2564, 8544), (2848, 7692), (3846, 5696), (4272, 5128)]