21443040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14891}}^1$

素因数の和:14912

約数の個数: 72

約数和(自身を含む): 73179288

約数和(自身を除く): 51736248

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 14891, 29782, 44673, 59564, 74455, 89346, 119128, 134019, 148910, 178692, 223365, 238256, 268038, 297820, 357384, 446730, 476512, 536076, 595640, 670095, 714768, 893460, 1072152, 1191280, 1340190, 1429536, 1786920, 2144304, 2382560, 2680380, 3573840, 4288608, 5360760, 7147680, 10721520, 21443040]

約数ペア:

[(1, 21443040), (2, 10721520), (3, 7147680), (4, 5360760), (5, 4288608), (6, 3573840), (8, 2680380), (9, 2382560), (10, 2144304), (12, 1786920), (15, 1429536), (16, 1340190), (18, 1191280), (20, 1072152), (24, 893460), (30, 714768), (32, 670095), (36, 595640), (40, 536076), (45, 476512), (48, 446730), (60, 357384), (72, 297820), (80, 268038), (90, 238256), (96, 223365), (120, 178692), (144, 148910), (160, 134019), (180, 119128), (240, 89346), (288, 74455), (360, 59564), (480, 44673), (720, 29782), (1440, 14891)]