21516936

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{607}}^1$

素因数の和:834

約数の個数: 64

約数和(自身を含む): 61870080

約数和(自身を除く): 40353144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 211, 422, 607, 633, 844, 1214, 1266, 1477, 1688, 1821, 2428, 2532, 2954, 3642, 4249, 4431, 4856, 5064, 5908, 7284, 8498, 8862, 11816, 12747, 14568, 16996, 17724, 25494, 33992, 35448, 50988, 101976, 128077, 256154, 384231, 512308, 768462, 896539, 1024616, 1536924, 1793078, 2689617, 3073848, 3586156, 5379234, 7172312, 10758468, 21516936]

約数ペア:

[(1, 21516936), (2, 10758468), (3, 7172312), (4, 5379234), (6, 3586156), (7, 3073848), (8, 2689617), (12, 1793078), (14, 1536924), (21, 1024616), (24, 896539), (28, 768462), (42, 512308), (56, 384231), (84, 256154), (168, 128077), (211, 101976), (422, 50988), (607, 35448), (633, 33992), (844, 25494), (1214, 17724), (1266, 16996), (1477, 14568), (1688, 12747), (1821, 11816), (2428, 8862), (2532, 8498), (2954, 7284), (3642, 5908), (4249, 5064), (4431, 4856)]