21384510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1289}}^1$

素因数の和:1385

約数の個数: 64

約数和(自身を含む): 59443200

約数和(自身を除く): 38058690

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 79, 105, 158, 210, 237, 395, 474, 553, 790, 1106, 1185, 1289, 1659, 2370, 2578, 2765, 3318, 3867, 5530, 6445, 7734, 8295, 9023, 12890, 16590, 18046, 19335, 27069, 38670, 45115, 54138, 90230, 101831, 135345, 203662, 270690, 305493, 509155, 610986, 712817, 1018310, 1425634, 1527465, 2138451, 3054930, 3564085, 4276902, 7128170, 10692255, 21384510]

約数ペア:

[(1, 21384510), (2, 10692255), (3, 7128170), (5, 4276902), (6, 3564085), (7, 3054930), (10, 2138451), (14, 1527465), (15, 1425634), (21, 1018310), (30, 712817), (35, 610986), (42, 509155), (70, 305493), (79, 270690), (105, 203662), (158, 135345), (210, 101831), (237, 90230), (395, 54138), (474, 45115), (553, 38670), (790, 27069), (1106, 19335), (1185, 18046), (1289, 16590), (1659, 12890), (2370, 9023), (2578, 8295), (2765, 7734), (3318, 6445), (3867, 5530)]