21353600

素因数分解:

$2^7\times 5^2\times {\mathrm{6673}}^1$

素因数の和:6697

約数の個数: 48

約数和(自身を含む): 52757970

約数和(自身を除く): 31404370

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 6673, 13346, 26692, 33365, 53384, 66730, 106768, 133460, 166825, 213536, 266920, 333650, 427072, 533840, 667300, 854144, 1067680, 1334600, 2135360, 2669200, 4270720, 5338400, 10676800, 21353600]

約数ペア:

[(1, 21353600), (2, 10676800), (4, 5338400), (5, 4270720), (8, 2669200), (10, 2135360), (16, 1334600), (20, 1067680), (25, 854144), (32, 667300), (40, 533840), (50, 427072), (64, 333650), (80, 266920), (100, 213536), (128, 166825), (160, 133460), (200, 106768), (320, 66730), (400, 53384), (640, 33365), (800, 26692), (1600, 13346), (3200, 6673)]