21603204

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1453}}^1$

素因数の和:1529

約数の個数: 72

約数和(自身を含む): 63510720

約数和(自身を除く): 41907516

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 59, 63, 84, 118, 126, 177, 236, 252, 354, 413, 531, 708, 826, 1062, 1239, 1453, 1652, 2124, 2478, 2906, 3717, 4359, 4956, 5812, 7434, 8718, 10171, 13077, 14868, 17436, 20342, 26154, 30513, 40684, 52308, 61026, 85727, 91539, 122052, 171454, 183078, 257181, 342908, 366156, 514362, 600089, 771543, 1028724, 1200178, 1543086, 1800267, 2400356, 3086172, 3600534, 5400801, 7201068, 10801602, 21603204]

約数ペア:

[(1, 21603204), (2, 10801602), (3, 7201068), (4, 5400801), (6, 3600534), (7, 3086172), (9, 2400356), (12, 1800267), (14, 1543086), (18, 1200178), (21, 1028724), (28, 771543), (36, 600089), (42, 514362), (59, 366156), (63, 342908), (84, 257181), (118, 183078), (126, 171454), (177, 122052), (236, 91539), (252, 85727), (354, 61026), (413, 52308), (531, 40684), (708, 30513), (826, 26154), (1062, 20342), (1239, 17436), (1453, 14868), (1652, 13077), (2124, 10171), (2478, 8718), (2906, 7434), (3717, 5812), (4359, 4956)]