21473928

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:467

約数の個数: 96

約数和(自身を含む): 67167360

約数和(自身を除く): 45693432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 137, 168, 252, 274, 311, 411, 504, 548, 622, 822, 933, 959, 1096, 1233, 1244, 1644, 1866, 1918, 2177, 2466, 2488, 2799, 2877, 3288, 3732, 3836, 4354, 4932, 5598, 5754, 6531, 7464, 7672, 8631, 8708, 9864, 11196, 11508, 13062, 17262, 17416, 19593, 22392, 23016, 26124, 34524, 39186, 42607, 52248, 69048, 78372, 85214, 127821, 156744, 170428, 255642, 298249, 340856, 383463, 511284, 596498, 766926, 894747, 1022568, 1192996, 1533852, 1789494, 2385992, 2684241, 3067704, 3578988, 5368482, 7157976, 10736964, 21473928]

約数ペア:

[(1, 21473928), (2, 10736964), (3, 7157976), (4, 5368482), (6, 3578988), (7, 3067704), (8, 2684241), (9, 2385992), (12, 1789494), (14, 1533852), (18, 1192996), (21, 1022568), (24, 894747), (28, 766926), (36, 596498), (42, 511284), (56, 383463), (63, 340856), (72, 298249), (84, 255642), (126, 170428), (137, 156744), (168, 127821), (252, 85214), (274, 78372), (311, 69048), (411, 52248), (504, 42607), (548, 39186), (622, 34524), (822, 26124), (933, 23016), (959, 22392), (1096, 19593), (1233, 17416), (1244, 17262), (1644, 13062), (1866, 11508), (1918, 11196), (2177, 9864), (2466, 8708), (2488, 8631), (2799, 7672), (2877, 7464), (3288, 6531), (3732, 5754), (3836, 5598), (4354, 4932)]