21491844270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55107293}}^1$

素因数の和:55107316

約数の個数: 32

約数和(自身を含む): 55548152352

約数和(自身を除く): 34056308082

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 55107293, 110214586, 165321879, 275536465, 330643758, 551072930, 716394809, 826609395, 1432789618, 1653218790, 2149184427, 3581974045, 4298368854, 7163948090, 10745922135, 21491844270]

約数ペア:

[(1, 21491844270), (2, 10745922135), (3, 7163948090), (5, 4298368854), (6, 3581974045), (10, 2149184427), (13, 1653218790), (15, 1432789618), (26, 826609395), (30, 716394809), (39, 551072930), (65, 330643758), (78, 275536465), (130, 165321879), (195, 110214586), (390, 55107293)]