21411160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2$

素因数の和:125

約数の個数: 96

約数和(自身を含む): 54704160

約数和(自身を除く): 33293000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 37, 40, 46, 68, 74, 85, 92, 115, 136, 148, 170, 184, 185, 230, 296, 340, 370, 391, 460, 629, 680, 740, 782, 851, 920, 1258, 1369, 1480, 1564, 1702, 1955, 2516, 2738, 3128, 3145, 3404, 3910, 4255, 5032, 5476, 6290, 6808, 6845, 7820, 8510, 10952, 12580, 13690, 14467, 15640, 17020, 23273, 25160, 27380, 28934, 31487, 34040, 46546, 54760, 57868, 62974, 72335, 93092, 115736, 116365, 125948, 144670, 157435, 186184, 232730, 251896, 289340, 314870, 465460, 535279, 578680, 629740, 930920, 1070558, 1259480, 2141116, 2676395, 4282232, 5352790, 10705580, 21411160]

約数ペア:

[(1, 21411160), (2, 10705580), (4, 5352790), (5, 4282232), (8, 2676395), (10, 2141116), (17, 1259480), (20, 1070558), (23, 930920), (34, 629740), (37, 578680), (40, 535279), (46, 465460), (68, 314870), (74, 289340), (85, 251896), (92, 232730), (115, 186184), (136, 157435), (148, 144670), (170, 125948), (184, 116365), (185, 115736), (230, 93092), (296, 72335), (340, 62974), (370, 57868), (391, 54760), (460, 46546), (629, 34040), (680, 31487), (740, 28934), (782, 27380), (851, 25160), (920, 23273), (1258, 17020), (1369, 15640), (1480, 14467), (1564, 13690), (1702, 12580), (1955, 10952), (2516, 8510), (2738, 7820), (3128, 6845), (3145, 6808), (3404, 6290), (3910, 5476), (4255, 5032)]