21536988

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{977}}^1$

素因数の和:1162

約数の個数: 48

約数和(自身を含む): 55206144

約数和(自身を除く): 33669156

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 167, 334, 501, 668, 977, 1002, 1837, 1954, 2004, 2931, 3674, 3908, 5511, 5862, 7348, 10747, 11022, 11724, 21494, 22044, 32241, 42988, 64482, 128964, 163159, 326318, 489477, 652636, 978954, 1794749, 1957908, 3589498, 5384247, 7178996, 10768494, 21536988]

約数ペア:

[(1, 21536988), (2, 10768494), (3, 7178996), (4, 5384247), (6, 3589498), (11, 1957908), (12, 1794749), (22, 978954), (33, 652636), (44, 489477), (66, 326318), (132, 163159), (167, 128964), (334, 64482), (501, 42988), (668, 32241), (977, 22044), (1002, 21494), (1837, 11724), (1954, 11022), (2004, 10747), (2931, 7348), (3674, 5862), (3908, 5511)]