21736680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:363

約数の個数: 128

約数和(自身を含む): 75513600

約数和(自身を除く): 53776920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 113, 120, 140, 168, 210, 226, 229, 280, 339, 420, 452, 458, 565, 678, 687, 791, 840, 904, 916, 1130, 1145, 1356, 1374, 1582, 1603, 1695, 1832, 2260, 2290, 2373, 2712, 2748, 3164, 3206, 3390, 3435, 3955, 4520, 4580, 4746, 4809, 5496, 6328, 6412, 6780, 6870, 7910, 8015, 9160, 9492, 9618, 11865, 12824, 13560, 13740, 15820, 16030, 18984, 19236, 23730, 24045, 25877, 27480, 31640, 32060, 38472, 47460, 48090, 51754, 64120, 77631, 94920, 96180, 103508, 129385, 155262, 181139, 192360, 207016, 258770, 310524, 362278, 388155, 517540, 543417, 621048, 724556, 776310, 905695, 1035080, 1086834, 1449112, 1552620, 1811390, 2173668, 2717085, 3105240, 3622780, 4347336, 5434170, 7245560, 10868340, 21736680]

約数ペア:

[(1, 21736680), (2, 10868340), (3, 7245560), (4, 5434170), (5, 4347336), (6, 3622780), (7, 3105240), (8, 2717085), (10, 2173668), (12, 1811390), (14, 1552620), (15, 1449112), (20, 1086834), (21, 1035080), (24, 905695), (28, 776310), (30, 724556), (35, 621048), (40, 543417), (42, 517540), (56, 388155), (60, 362278), (70, 310524), (84, 258770), (105, 207016), (113, 192360), (120, 181139), (140, 155262), (168, 129385), (210, 103508), (226, 96180), (229, 94920), (280, 77631), (339, 64120), (420, 51754), (452, 48090), (458, 47460), (565, 38472), (678, 32060), (687, 31640), (791, 27480), (840, 25877), (904, 24045), (916, 23730), (1130, 19236), (1145, 18984), (1356, 16030), (1374, 15820), (1582, 13740), (1603, 13560), (1695, 12824), (1832, 11865), (2260, 9618), (2290, 9492), (2373, 9160), (2712, 8015), (2748, 7910), (3164, 6870), (3206, 6780), (3390, 6412), (3435, 6328), (3955, 5496), (4520, 4809), (4580, 4746)]