21556680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10567}}^1$

素因数の和:10598

約数の個数: 64

約数和(自身を含む): 68480640

約数和(自身を除く): 46923960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 10567, 21134, 31701, 42268, 52835, 63402, 84536, 105670, 126804, 158505, 179639, 211340, 253608, 317010, 359278, 422680, 538917, 634020, 718556, 898195, 1077834, 1268040, 1437112, 1796390, 2155668, 2694585, 3592780, 4311336, 5389170, 7185560, 10778340, 21556680]

約数ペア:

[(1, 21556680), (2, 10778340), (3, 7185560), (4, 5389170), (5, 4311336), (6, 3592780), (8, 2694585), (10, 2155668), (12, 1796390), (15, 1437112), (17, 1268040), (20, 1077834), (24, 898195), (30, 718556), (34, 634020), (40, 538917), (51, 422680), (60, 359278), (68, 317010), (85, 253608), (102, 211340), (120, 179639), (136, 158505), (170, 126804), (204, 105670), (255, 84536), (340, 63402), (408, 52835), (510, 42268), (680, 31701), (1020, 21134), (2040, 10567)]