21038340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 62052480

約数和(自身を除く): 41014140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 107, 113, 116, 145, 174, 214, 226, 290, 321, 339, 348, 428, 435, 452, 535, 565, 580, 642, 678, 870, 1070, 1130, 1284, 1356, 1605, 1695, 1740, 2140, 2260, 3103, 3210, 3277, 3390, 6206, 6420, 6554, 6780, 9309, 9831, 12091, 12412, 13108, 15515, 16385, 18618, 19662, 24182, 31030, 32770, 36273, 37236, 39324, 46545, 48364, 49155, 60455, 62060, 65540, 72546, 93090, 98310, 120910, 145092, 181365, 186180, 196620, 241820, 350639, 362730, 701278, 725460, 1051917, 1402556, 1753195, 2103834, 3506390, 4207668, 5259585, 7012780, 10519170, 21038340]

約数ペア:

[(1, 21038340), (2, 10519170), (3, 7012780), (4, 5259585), (5, 4207668), (6, 3506390), (10, 2103834), (12, 1753195), (15, 1402556), (20, 1051917), (29, 725460), (30, 701278), (58, 362730), (60, 350639), (87, 241820), (107, 196620), (113, 186180), (116, 181365), (145, 145092), (174, 120910), (214, 98310), (226, 93090), (290, 72546), (321, 65540), (339, 62060), (348, 60455), (428, 49155), (435, 48364), (452, 46545), (535, 39324), (565, 37236), (580, 36273), (642, 32770), (678, 31030), (870, 24182), (1070, 19662), (1130, 18618), (1284, 16385), (1356, 15515), (1605, 13108), (1695, 12412), (1740, 12091), (2140, 9831), (2260, 9309), (3103, 6780), (3210, 6554), (3277, 6420), (3390, 6206)]