21227760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29483}}^1$

素因数の和:29502

約数の個数: 60

約数和(自身を含む): 71292312

約数和(自身を除く): 50064552

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 29483, 58966, 88449, 117932, 147415, 176898, 235864, 265347, 294830, 353796, 442245, 471728, 530694, 589660, 707592, 884490, 1061388, 1179320, 1326735, 1415184, 1768980, 2122776, 2358640, 2653470, 3537960, 4245552, 5306940, 7075920, 10613880, 21227760]

約数ペア:

[(1, 21227760), (2, 10613880), (3, 7075920), (4, 5306940), (5, 4245552), (6, 3537960), (8, 2653470), (9, 2358640), (10, 2122776), (12, 1768980), (15, 1415184), (16, 1326735), (18, 1179320), (20, 1061388), (24, 884490), (30, 707592), (36, 589660), (40, 530694), (45, 471728), (48, 442245), (60, 353796), (72, 294830), (80, 265347), (90, 235864), (120, 176898), (144, 147415), (180, 117932), (240, 88449), (360, 58966), (720, 29483)]