21146160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:371

約数の個数: 160

約数和(自身を含む): 76995072

約数和(自身を除く): 55848912

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 41, 42, 48, 56, 60, 70, 80, 82, 84, 105, 112, 120, 123, 140, 164, 168, 205, 210, 240, 246, 280, 287, 307, 328, 336, 410, 420, 492, 560, 574, 614, 615, 656, 820, 840, 861, 921, 984, 1148, 1228, 1230, 1435, 1535, 1640, 1680, 1722, 1842, 1968, 2149, 2296, 2456, 2460, 2870, 3070, 3280, 3444, 3684, 4298, 4305, 4592, 4605, 4912, 4920, 5740, 6140, 6447, 6888, 7368, 8596, 8610, 9210, 9840, 10745, 11480, 12280, 12587, 12894, 13776, 14736, 17192, 17220, 18420, 21490, 22960, 24560, 25174, 25788, 32235, 34384, 34440, 36840, 37761, 42980, 50348, 51576, 62935, 64470, 68880, 73680, 75522, 85960, 88109, 100696, 103152, 125870, 128940, 151044, 171920, 176218, 188805, 201392, 251740, 257880, 264327, 302088, 352436, 377610, 440545, 503480, 515760, 528654, 604176, 704872, 755220, 881090, 1006960, 1057308, 1321635, 1409744, 1510440, 1762180, 2114616, 2643270, 3020880, 3524360, 4229232, 5286540, 7048720, 10573080, 21146160]

約数ペア:

[(1, 21146160), (2, 10573080), (3, 7048720), (4, 5286540), (5, 4229232), (6, 3524360), (7, 3020880), (8, 2643270), (10, 2114616), (12, 1762180), (14, 1510440), (15, 1409744), (16, 1321635), (20, 1057308), (21, 1006960), (24, 881090), (28, 755220), (30, 704872), (35, 604176), (40, 528654), (41, 515760), (42, 503480), (48, 440545), (56, 377610), (60, 352436), (70, 302088), (80, 264327), (82, 257880), (84, 251740), (105, 201392), (112, 188805), (120, 176218), (123, 171920), (140, 151044), (164, 128940), (168, 125870), (205, 103152), (210, 100696), (240, 88109), (246, 85960), (280, 75522), (287, 73680), (307, 68880), (328, 64470), (336, 62935), (410, 51576), (420, 50348), (492, 42980), (560, 37761), (574, 36840), (614, 34440), (615, 34384), (656, 32235), (820, 25788), (840, 25174), (861, 24560), (921, 22960), (984, 21490), (1148, 18420), (1228, 17220), (1230, 17192), (1435, 14736), (1535, 13776), (1640, 12894), (1680, 12587), (1722, 12280), (1842, 11480), (1968, 10745), (2149, 9840), (2296, 9210), (2456, 8610), (2460, 8596), (2870, 7368), (3070, 6888), (3280, 6447), (3444, 6140), (3684, 5740), (4298, 4920), (4305, 4912), (4592, 4605)]