21270396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1399}}^1$

素因数の和:1594

約数の個数: 48

約数和(自身を含む): 57075200

約数和(自身を除く): 35804804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 181, 362, 543, 724, 1086, 1267, 1399, 2172, 2534, 2798, 3801, 4197, 5068, 5596, 7602, 8394, 9793, 15204, 16788, 19586, 29379, 39172, 58758, 117516, 253219, 506438, 759657, 1012876, 1519314, 1772533, 3038628, 3545066, 5317599, 7090132, 10635198, 21270396]

約数ペア:

[(1, 21270396), (2, 10635198), (3, 7090132), (4, 5317599), (6, 3545066), (7, 3038628), (12, 1772533), (14, 1519314), (21, 1012876), (28, 759657), (42, 506438), (84, 253219), (181, 117516), (362, 58758), (543, 39172), (724, 29379), (1086, 19586), (1267, 16788), (1399, 15204), (2172, 9793), (2534, 8394), (2798, 7602), (3801, 5596), (4197, 5068)]