21315474

素因数分解:

$2^1\times 3^5\times {\mathrm{61}}^1\times {\mathrm{719}}^1$

素因数の和:797

約数の個数: 48

約数和(自身を含む): 48746880

約数和(自身を除く): 27431406

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 81, 122, 162, 183, 243, 366, 486, 549, 719, 1098, 1438, 1647, 2157, 3294, 4314, 4941, 6471, 9882, 12942, 14823, 19413, 29646, 38826, 43859, 58239, 87718, 116478, 131577, 174717, 263154, 349434, 394731, 789462, 1184193, 2368386, 3552579, 7105158, 10657737, 21315474]

約数ペア:

[(1, 21315474), (2, 10657737), (3, 7105158), (6, 3552579), (9, 2368386), (18, 1184193), (27, 789462), (54, 394731), (61, 349434), (81, 263154), (122, 174717), (162, 131577), (183, 116478), (243, 87718), (366, 58239), (486, 43859), (549, 38826), (719, 29646), (1098, 19413), (1438, 14823), (1647, 12942), (2157, 9882), (3294, 6471), (4314, 4941)]