21001512

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3049}}^1$

素因数の和:3106

約数の個数: 64

約数和(自身を含む): 61488000

約数和(自身を除く): 40486488

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 56, 82, 84, 123, 164, 168, 246, 287, 328, 492, 574, 861, 984, 1148, 1722, 2296, 3049, 3444, 6098, 6888, 9147, 12196, 18294, 21343, 24392, 36588, 42686, 64029, 73176, 85372, 125009, 128058, 170744, 250018, 256116, 375027, 500036, 512232, 750054, 875063, 1000072, 1500108, 1750126, 2625189, 3000216, 3500252, 5250378, 7000504, 10500756, 21001512]

約数ペア:

[(1, 21001512), (2, 10500756), (3, 7000504), (4, 5250378), (6, 3500252), (7, 3000216), (8, 2625189), (12, 1750126), (14, 1500108), (21, 1000072), (24, 875063), (28, 750054), (41, 512232), (42, 500036), (56, 375027), (82, 256116), (84, 250018), (123, 170744), (164, 128058), (168, 125009), (246, 85372), (287, 73176), (328, 64029), (492, 42686), (574, 36588), (861, 24392), (984, 21343), (1148, 18294), (1722, 12196), (2296, 9147), (3049, 6888), (3444, 6098)]