21640356

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{19391}}^1$

素因数の和:19432

約数の個数: 36

約数和(自身を含む): 56469504

約数和(自身を除く): 34829148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 19391, 38782, 58173, 77564, 116346, 174519, 232692, 349038, 601121, 698076, 1202242, 1803363, 2404484, 3606726, 5410089, 7213452, 10820178, 21640356]

約数ペア:

[(1, 21640356), (2, 10820178), (3, 7213452), (4, 5410089), (6, 3606726), (9, 2404484), (12, 1803363), (18, 1202242), (31, 698076), (36, 601121), (62, 349038), (93, 232692), (124, 174519), (186, 116346), (279, 77564), (372, 58173), (558, 38782), (1116, 19391)]