21620396

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{857}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 46702656

約数和(自身を除く): 25082260

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 53, 68, 106, 119, 212, 238, 371, 476, 742, 857, 901, 1484, 1714, 1802, 3428, 3604, 5999, 6307, 11998, 12614, 14569, 23996, 25228, 29138, 45421, 58276, 90842, 101983, 181684, 203966, 317947, 407932, 635894, 772157, 1271788, 1544314, 3088628, 5405099, 10810198, 21620396]

約数ペア:

[(1, 21620396), (2, 10810198), (4, 5405099), (7, 3088628), (14, 1544314), (17, 1271788), (28, 772157), (34, 635894), (53, 407932), (68, 317947), (106, 203966), (119, 181684), (212, 101983), (238, 90842), (371, 58276), (476, 45421), (742, 29138), (857, 25228), (901, 23996), (1484, 14569), (1714, 12614), (1802, 11998), (3428, 6307), (3604, 5999)]