21155946

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{317}}^1$

素因数の和:563

約数の個数: 48

約数和(自身を含む): 49592736

約数和(自身を除く): 28436790

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 227, 294, 317, 454, 634, 681, 951, 1362, 1589, 1902, 2219, 3178, 4438, 4767, 6657, 9534, 11123, 13314, 15533, 22246, 31066, 33369, 46599, 66738, 71959, 93198, 143918, 215877, 431754, 503713, 1007426, 1511139, 3022278, 3525991, 7051982, 10577973, 21155946]

約数ペア:

[(1, 21155946), (2, 10577973), (3, 7051982), (6, 3525991), (7, 3022278), (14, 1511139), (21, 1007426), (42, 503713), (49, 431754), (98, 215877), (147, 143918), (227, 93198), (294, 71959), (317, 66738), (454, 46599), (634, 33369), (681, 31066), (951, 22246), (1362, 15533), (1589, 13314), (1902, 11123), (2219, 9534), (3178, 6657), (4438, 4767)]