21638214

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1039}}^1$

素因数の和:1149

約数の個数: 48

約数和(自身を含む): 51105600

約数和(自身を除く): 29467386

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 89, 117, 178, 234, 267, 534, 801, 1039, 1157, 1602, 2078, 2314, 3117, 3471, 6234, 6942, 9351, 10413, 13507, 18702, 20826, 27014, 40521, 81042, 92471, 121563, 184942, 243126, 277413, 554826, 832239, 1202123, 1664478, 2404246, 3606369, 7212738, 10819107, 21638214]

約数ペア:

[(1, 21638214), (2, 10819107), (3, 7212738), (6, 3606369), (9, 2404246), (13, 1664478), (18, 1202123), (26, 832239), (39, 554826), (78, 277413), (89, 243126), (117, 184942), (178, 121563), (234, 92471), (267, 81042), (534, 40521), (801, 27014), (1039, 20826), (1157, 18702), (1602, 13507), (2078, 10413), (2314, 9351), (3117, 6942), (3471, 6234)]