21847310

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 40303872

約数和(自身を除く): 18456562

約数列:

[1, 2, 5, 10, 97, 101, 194, 202, 223, 446, 485, 505, 970, 1010, 1115, 2230, 9797, 19594, 21631, 22523, 43262, 45046, 48985, 97970, 108155, 112615, 216310, 225230, 2184731, 4369462, 10923655, 21847310]

約数ペア:

[(1, 21847310), (2, 10923655), (5, 4369462), (10, 2184731), (97, 225230), (101, 216310), (194, 112615), (202, 108155), (223, 97970), (446, 48985), (485, 45046), (505, 43262), (970, 22523), (1010, 21631), (1115, 19594), (2230, 9797)]