21640458

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{73607}}^1$

素因数の和:73626

約数の個数: 24

約数和(自身を含む): 50347872

約数和(自身を除く): 28707414

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 73607, 147214, 220821, 441642, 515249, 1030498, 1545747, 3091494, 3606743, 7213486, 10820229, 21640458]

約数ペア:

[(1, 21640458), (2, 10820229), (3, 7213486), (6, 3606743), (7, 3091494), (14, 1545747), (21, 1030498), (42, 515249), (49, 441642), (98, 220821), (147, 147214), (294, 73607)]