21225672

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{7559}}^1$

素因数の和:7587

約数の個数: 64

約数和(自身を含む): 63504000

約数和(自身を除く): 42278328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 7559, 15118, 22677, 30236, 45354, 60472, 68031, 90708, 98267, 136062, 181416, 196534, 204093, 272124, 294801, 393068, 408186, 544248, 589602, 786136, 816372, 884403, 1179204, 1632744, 1768806, 2358408, 2653209, 3537612, 5306418, 7075224, 10612836, 21225672]

約数ペア:

[(1, 21225672), (2, 10612836), (3, 7075224), (4, 5306418), (6, 3537612), (8, 2653209), (9, 2358408), (12, 1768806), (13, 1632744), (18, 1179204), (24, 884403), (26, 816372), (27, 786136), (36, 589602), (39, 544248), (52, 408186), (54, 393068), (72, 294801), (78, 272124), (104, 204093), (108, 196534), (117, 181416), (156, 136062), (216, 98267), (234, 90708), (312, 68031), (351, 60472), (468, 45354), (702, 30236), (936, 22677), (1404, 15118), (2808, 7559)]