21541145028

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{417173}}^1$

素因数の和:417524

約数の個数: 48

約数和(自身を含む): 54292693056

約数和(自身を除く): 32751548028

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 331, 662, 993, 1324, 1986, 3972, 4303, 8606, 12909, 17212, 25818, 51636, 417173, 834346, 1251519, 1668692, 2503038, 5006076, 5423249, 10846498, 16269747, 21692996, 32539494, 65078988, 138084263, 276168526, 414252789, 552337052, 828505578, 1657011156, 1795095419, 3590190838, 5385286257, 7180381676, 10770572514, 21541145028]

約数ペア:

[(1, 21541145028), (2, 10770572514), (3, 7180381676), (4, 5385286257), (6, 3590190838), (12, 1795095419), (13, 1657011156), (26, 828505578), (39, 552337052), (52, 414252789), (78, 276168526), (156, 138084263), (331, 65078988), (662, 32539494), (993, 21692996), (1324, 16269747), (1986, 10846498), (3972, 5423249), (4303, 5006076), (8606, 2503038), (12909, 1668692), (17212, 1251519), (25818, 834346), (51636, 417173)]