21640914

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{38783}}^1$

素因数の和:38822

約数の個数: 24

約数和(自身を含む): 48402432

約数和(自身を除く): 26761518

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 38783, 77566, 116349, 232698, 349047, 698094, 1202273, 2404546, 3606819, 7213638, 10820457, 21640914]

約数ペア:

[(1, 21640914), (2, 10820457), (3, 7213638), (6, 3606819), (9, 2404546), (18, 1202273), (31, 698094), (62, 349047), (93, 232698), (186, 116349), (279, 77566), (558, 38783)]