21230856

素因数分解:

$2^3\times 3^3\times {\mathrm{227}}^1\times {\mathrm{433}}^1$

素因数の和:675

約数の個数: 64

約数和(自身を含む): 59371200

約数和(自身を除く): 38140344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 227, 433, 454, 681, 866, 908, 1299, 1362, 1732, 1816, 2043, 2598, 2724, 3464, 3897, 4086, 5196, 5448, 6129, 7794, 8172, 10392, 11691, 12258, 15588, 16344, 23382, 24516, 31176, 46764, 49032, 93528, 98291, 196582, 294873, 393164, 589746, 786328, 884619, 1179492, 1769238, 2358984, 2653857, 3538476, 5307714, 7076952, 10615428, 21230856]

約数ペア:

[(1, 21230856), (2, 10615428), (3, 7076952), (4, 5307714), (6, 3538476), (8, 2653857), (9, 2358984), (12, 1769238), (18, 1179492), (24, 884619), (27, 786328), (36, 589746), (54, 393164), (72, 294873), (108, 196582), (216, 98291), (227, 93528), (433, 49032), (454, 46764), (681, 31176), (866, 24516), (908, 23382), (1299, 16344), (1362, 15588), (1732, 12258), (1816, 11691), (2043, 10392), (2598, 8172), (2724, 7794), (3464, 6129), (3897, 5448), (4086, 5196)]