21385611

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3889}}^1$

素因数の和:3955

約数の個数: 24

約数和(自身を含む): 33983040

約数和(自身を除く): 12597429

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 423, 611, 1833, 3889, 5499, 11667, 35001, 50557, 151671, 182783, 455013, 548349, 1645047, 2376179, 7128537, 21385611]

約数ペア:

[(1, 21385611), (3, 7128537), (9, 2376179), (13, 1645047), (39, 548349), (47, 455013), (117, 182783), (141, 151671), (423, 50557), (611, 35001), (1833, 11667), (3889, 5499)]