21354720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2617}}^1$

素因数の和:2652

約数の個数: 96

約数和(自身を含む): 71251488

約数和(自身を除く): 49896768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 340, 408, 480, 510, 544, 680, 816, 1020, 1360, 1632, 2040, 2617, 2720, 4080, 5234, 7851, 8160, 10468, 13085, 15702, 20936, 26170, 31404, 39255, 41872, 44489, 52340, 62808, 78510, 83744, 88978, 104680, 125616, 133467, 157020, 177956, 209360, 222445, 251232, 266934, 314040, 355912, 418720, 444890, 533868, 628080, 667335, 711824, 889780, 1067736, 1256160, 1334670, 1423648, 1779560, 2135472, 2669340, 3559120, 4270944, 5338680, 7118240, 10677360, 21354720]

約数ペア:

[(1, 21354720), (2, 10677360), (3, 7118240), (4, 5338680), (5, 4270944), (6, 3559120), (8, 2669340), (10, 2135472), (12, 1779560), (15, 1423648), (16, 1334670), (17, 1256160), (20, 1067736), (24, 889780), (30, 711824), (32, 667335), (34, 628080), (40, 533868), (48, 444890), (51, 418720), (60, 355912), (68, 314040), (80, 266934), (85, 251232), (96, 222445), (102, 209360), (120, 177956), (136, 157020), (160, 133467), (170, 125616), (204, 104680), (240, 88978), (255, 83744), (272, 78510), (340, 62808), (408, 52340), (480, 44489), (510, 41872), (544, 39255), (680, 31404), (816, 26170), (1020, 20936), (1360, 15702), (1632, 13085), (2040, 10468), (2617, 8160), (2720, 7851), (4080, 5234)]