21576978033

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1\times {\mathrm{18307}}^1$

素因数の和:19013

約数の個数: 32

約数和(自身を含む): 31692466176

約数和(自身を除く): 10115488143

約数列:

[1, 3, 13, 39, 47, 141, 611, 643, 1833, 1929, 8359, 18307, 25077, 30221, 54921, 90663, 237991, 392873, 713973, 860429, 1178619, 2581287, 11185577, 11771401, 33556731, 35314203, 153028213, 459084639, 553255847, 1659767541, 7192326011, 21576978033]

約数ペア:

[(1, 21576978033), (3, 7192326011), (13, 1659767541), (39, 553255847), (47, 459084639), (141, 153028213), (611, 35314203), (643, 33556731), (1833, 11771401), (1929, 11185577), (8359, 2581287), (18307, 1178619), (25077, 860429), (30221, 713973), (54921, 392873), (90663, 237991)]