21304890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4153}}^1$

素因数の和:4188

約数の個数: 64

約数和(自身を含む): 59817600

約数和(自身を除く): 38512710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 1026, 1710, 2565, 4153, 5130, 8306, 12459, 20765, 24918, 37377, 41530, 62295, 74754, 78907, 112131, 124590, 157814, 186885, 224262, 236721, 373770, 394535, 473442, 560655, 710163, 789070, 1121310, 1183605, 1420326, 2130489, 2367210, 3550815, 4260978, 7101630, 10652445, 21304890]

約数ペア:

[(1, 21304890), (2, 10652445), (3, 7101630), (5, 4260978), (6, 3550815), (9, 2367210), (10, 2130489), (15, 1420326), (18, 1183605), (19, 1121310), (27, 789070), (30, 710163), (38, 560655), (45, 473442), (54, 394535), (57, 373770), (90, 236721), (95, 224262), (114, 186885), (135, 157814), (171, 124590), (190, 112131), (270, 78907), (285, 74754), (342, 62295), (513, 41530), (570, 37377), (855, 24918), (1026, 20765), (1710, 12459), (2565, 8306), (4153, 5130)]