21179730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4937}}^1$

素因数の和:4971

約数の個数: 64

約数和(自身を含む): 59730048

約数和(自身を除く): 38550318

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 429, 715, 858, 1430, 2145, 4290, 4937, 9874, 14811, 24685, 29622, 49370, 54307, 64181, 74055, 108614, 128362, 148110, 162921, 192543, 271535, 320905, 325842, 385086, 543070, 641810, 705991, 814605, 962715, 1411982, 1629210, 1925430, 2117973, 3529955, 4235946, 7059910, 10589865, 21179730]

約数ペア:

[(1, 21179730), (2, 10589865), (3, 7059910), (5, 4235946), (6, 3529955), (10, 2117973), (11, 1925430), (13, 1629210), (15, 1411982), (22, 962715), (26, 814605), (30, 705991), (33, 641810), (39, 543070), (55, 385086), (65, 325842), (66, 320905), (78, 271535), (110, 192543), (130, 162921), (143, 148110), (165, 128362), (195, 108614), (286, 74055), (330, 64181), (390, 54307), (429, 49370), (715, 29622), (858, 24685), (1430, 14811), (2145, 9874), (4290, 4937)]