21073440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1021}}^1$

素因数の和:1082

約数の個数: 96

約数和(自身を含む): 67991616

約数和(自身を除く): 46918176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 80, 86, 96, 120, 129, 160, 172, 215, 240, 258, 344, 430, 480, 516, 645, 688, 860, 1021, 1032, 1290, 1376, 1720, 2042, 2064, 2580, 3063, 3440, 4084, 4128, 5105, 5160, 6126, 6880, 8168, 10210, 10320, 12252, 15315, 16336, 20420, 20640, 24504, 30630, 32672, 40840, 43903, 49008, 61260, 81680, 87806, 98016, 122520, 131709, 163360, 175612, 219515, 245040, 263418, 351224, 439030, 490080, 526836, 658545, 702448, 878060, 1053672, 1317090, 1404896, 1756120, 2107344, 2634180, 3512240, 4214688, 5268360, 7024480, 10536720, 21073440]

約数ペア:

[(1, 21073440), (2, 10536720), (3, 7024480), (4, 5268360), (5, 4214688), (6, 3512240), (8, 2634180), (10, 2107344), (12, 1756120), (15, 1404896), (16, 1317090), (20, 1053672), (24, 878060), (30, 702448), (32, 658545), (40, 526836), (43, 490080), (48, 439030), (60, 351224), (80, 263418), (86, 245040), (96, 219515), (120, 175612), (129, 163360), (160, 131709), (172, 122520), (215, 98016), (240, 87806), (258, 81680), (344, 61260), (430, 49008), (480, 43903), (516, 40840), (645, 32672), (688, 30630), (860, 24504), (1021, 20640), (1032, 20420), (1290, 16336), (1376, 15315), (1720, 12252), (2042, 10320), (2064, 10210), (2580, 8168), (3063, 6880), (3440, 6126), (4084, 5160), (4128, 5105)]