21298021238

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{599}}^1\times {\mathrm{20411}}^1$

素因数の和:21092

約数の個数: 32

約数和(自身を含む): 34978003200

約数和(自身を除く): 13679981962

約数列:

[1, 2, 13, 26, 67, 134, 599, 871, 1198, 1742, 7787, 15574, 20411, 40133, 40822, 80266, 265343, 521729, 530686, 1043458, 1367537, 2735074, 12226189, 17777981, 24452378, 35555962, 158940457, 317880914, 819154663, 1638309326, 10649010619, 21298021238]

約数ペア:

[(1, 21298021238), (2, 10649010619), (13, 1638309326), (26, 819154663), (67, 317880914), (134, 158940457), (599, 35555962), (871, 24452378), (1198, 17777981), (1742, 12226189), (7787, 2735074), (15574, 1367537), (20411, 1043458), (40133, 530686), (40822, 521729), (80266, 265343)]