21020478

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{727}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 43330560

約数和(自身を除く): 22310082

約数列:

[1, 2, 3, 6, 61, 79, 122, 158, 183, 237, 366, 474, 727, 1454, 2181, 4362, 4819, 9638, 14457, 28914, 44347, 57433, 88694, 114866, 133041, 172299, 266082, 344598, 3503413, 7006826, 10510239, 21020478]

約数ペア:

[(1, 21020478), (2, 10510239), (3, 7006826), (6, 3503413), (61, 344598), (79, 266082), (122, 172299), (158, 133041), (183, 114866), (237, 88694), (366, 57433), (474, 44347), (727, 28914), (1454, 14457), (2181, 9638), (4362, 4819)]