21387186

素因数分解:

$2^1\times 3^3\times {\mathrm{601}}^1\times {\mathrm{659}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 47678400

約数和(自身を除く): 26291214

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 601, 659, 1202, 1318, 1803, 1977, 3606, 3954, 5409, 5931, 10818, 11862, 16227, 17793, 32454, 35586, 396059, 792118, 1188177, 2376354, 3564531, 7129062, 10693593, 21387186]

約数ペア:

[(1, 21387186), (2, 10693593), (3, 7129062), (6, 3564531), (9, 2376354), (18, 1188177), (27, 792118), (54, 396059), (601, 35586), (659, 32454), (1202, 17793), (1318, 16227), (1803, 11862), (1977, 10818), (3606, 5931), (3954, 5409)]