21972045

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{14503}}^1$

素因数の和:14612

約数の個数: 16

約数和(自身を含む): 35505792

約数和(自身を除く): 13533747

約数列:

[1, 3, 5, 15, 101, 303, 505, 1515, 14503, 43509, 72515, 217545, 1464803, 4394409, 7324015, 21972045]

約数ペア:

[(1, 21972045), (3, 7324015), (5, 4394409), (15, 1464803), (101, 217545), (303, 72515), (505, 43509), (1515, 14503)]