21316656

素因数分解:

$2^4\times 3^1\times {\mathrm{101}}^1\times {\mathrm{4397}}^1$

素因数の和:4509

約数の個数: 40

約数和(自身を含む): 55625904

約数和(自身を除く): 34309248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 101, 202, 303, 404, 606, 808, 1212, 1616, 2424, 4397, 4848, 8794, 13191, 17588, 26382, 35176, 52764, 70352, 105528, 211056, 444097, 888194, 1332291, 1776388, 2664582, 3552776, 5329164, 7105552, 10658328, 21316656]

約数ペア:

[(1, 21316656), (2, 10658328), (3, 7105552), (4, 5329164), (6, 3552776), (8, 2664582), (12, 1776388), (16, 1332291), (24, 888194), (48, 444097), (101, 211056), (202, 105528), (303, 70352), (404, 52764), (606, 35176), (808, 26382), (1212, 17588), (1616, 13191), (2424, 8794), (4397, 4848)]