21621028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37799}}^1$

素因数の和:37827

約数の個数: 24

約数和(自身を含む): 44452800

約数和(自身を除く): 22831772

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 37799, 75598, 151196, 415789, 491387, 831578, 982774, 1663156, 1965548, 5405257, 10810514, 21621028]

約数ペア:

[(1, 21621028), (2, 10810514), (4, 5405257), (11, 1965548), (13, 1663156), (22, 982774), (26, 831578), (44, 491387), (52, 415789), (143, 151196), (286, 75598), (572, 37799)]