21662056

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6719}}^1$

素因数の和:6769

約数の個数: 32

約数和(自身を含む): 45158400

約数和(自身を除く): 23496344

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 6719, 13438, 26876, 53752, 87347, 174694, 208289, 349388, 416578, 698776, 833156, 1666312, 2707757, 5415514, 10831028, 21662056]

約数ペア:

[(1, 21662056), (2, 10831028), (4, 5415514), (8, 2707757), (13, 1666312), (26, 833156), (31, 698776), (52, 416578), (62, 349388), (104, 208289), (124, 174694), (248, 87347), (403, 53752), (806, 26876), (1612, 13438), (3224, 6719)]