21106386

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{55837}}^1$

素因数の和:55855

約数の個数: 32

約数和(自身を含む): 53604480

約数和(自身を除く): 32498094

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 55837, 111674, 167511, 335022, 390859, 502533, 781718, 1005066, 1172577, 1507599, 2345154, 3015198, 3517731, 7035462, 10553193, 21106386]

約数ペア:

[(1, 21106386), (2, 10553193), (3, 7035462), (6, 3517731), (7, 3015198), (9, 2345154), (14, 1507599), (18, 1172577), (21, 1005066), (27, 781718), (42, 502533), (54, 390859), (63, 335022), (126, 167511), (189, 111674), (378, 55837)]