21400536

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:760

約数の個数: 64

約数和(自身を含む): 57196800

約数和(自身を除く): 35796264

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 71, 76, 114, 142, 152, 213, 228, 284, 426, 456, 568, 661, 852, 1322, 1349, 1704, 1983, 2644, 2698, 3966, 4047, 5288, 5396, 7932, 8094, 10792, 12559, 15864, 16188, 25118, 32376, 37677, 46931, 50236, 75354, 93862, 100472, 140793, 150708, 187724, 281586, 301416, 375448, 563172, 891689, 1126344, 1783378, 2675067, 3566756, 5350134, 7133512, 10700268, 21400536]

約数ペア:

[(1, 21400536), (2, 10700268), (3, 7133512), (4, 5350134), (6, 3566756), (8, 2675067), (12, 1783378), (19, 1126344), (24, 891689), (38, 563172), (57, 375448), (71, 301416), (76, 281586), (114, 187724), (142, 150708), (152, 140793), (213, 100472), (228, 93862), (284, 75354), (426, 50236), (456, 46931), (568, 37677), (661, 32376), (852, 25118), (1322, 16188), (1349, 15864), (1704, 12559), (1983, 10792), (2644, 8094), (2698, 7932), (3966, 5396), (4047, 5288)]