21265521120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14767723}}^1$

素因数の和:14767744

約数の個数: 72

約数和(自身を含む): 72568595736

約数和(自身を除く): 51303074616

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, 14767723, 29535446, 44303169, 59070892, 73838615, 88606338, 118141784, 132909507, 147677230, 177212676, 221515845, 236283568, 265819014, 295354460, 354425352, 443031690, 472567136, 531638028, 590708920, 664547535, 708850704, 886063380, 1063276056, 1181417840, 1329095070, 1417701408, 1772126760, 2126552112, 2362835680, 2658190140, 3544253520, 4253104224, 5316380280, 7088507040, 10632760560, 21265521120]

約数ペア:

[(1, 21265521120), (2, 10632760560), (3, 7088507040), (4, 5316380280), (5, 4253104224), (6, 3544253520), (8, 2658190140), (9, 2362835680), (10, 2126552112), (12, 1772126760), (15, 1417701408), (16, 1329095070), (18, 1181417840), (20, 1063276056), (24, 886063380), (30, 708850704), (32, 664547535), (36, 590708920), (40, 531638028), (45, 472567136), (48, 443031690), (60, 354425352), (72, 295354460), (80, 265819014), (90, 236283568), (96, 221515845), (120, 177212676), (144, 147677230), (160, 132909507), (180, 118141784), (240, 88606338), (288, 73838615), (360, 59070892), (480, 44303169), (720, 29535446), (1440, 14767723)]