21137220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3011}}^1$

素因数の和:3042

約数の個数: 96

約数和(自身を含む): 70842240

約数和(自身を除く): 49705020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3011, 3510, 6022, 7020, 9033, 12044, 15055, 18066, 27099, 30110, 36132, 39143, 45165, 54198, 60220, 78286, 81297, 90330, 108396, 117429, 135495, 156572, 162594, 180660, 195715, 234858, 270990, 325188, 352287, 391430, 406485, 469716, 541980, 587145, 704574, 782860, 812970, 1056861, 1174290, 1409148, 1625940, 1761435, 2113722, 2348580, 3522870, 4227444, 5284305, 7045740, 10568610, 21137220]

約数ペア:

[(1, 21137220), (2, 10568610), (3, 7045740), (4, 5284305), (5, 4227444), (6, 3522870), (9, 2348580), (10, 2113722), (12, 1761435), (13, 1625940), (15, 1409148), (18, 1174290), (20, 1056861), (26, 812970), (27, 782860), (30, 704574), (36, 587145), (39, 541980), (45, 469716), (52, 406485), (54, 391430), (60, 352287), (65, 325188), (78, 270990), (90, 234858), (108, 195715), (117, 180660), (130, 162594), (135, 156572), (156, 135495), (180, 117429), (195, 108396), (234, 90330), (260, 81297), (270, 78286), (351, 60220), (390, 54198), (468, 45165), (540, 39143), (585, 36132), (702, 30110), (780, 27099), (1170, 18066), (1404, 15055), (1755, 12044), (2340, 9033), (3011, 7020), (3510, 6022)]