21880854

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{4357}}^1$

素因数の和:4402

約数の個数: 40

約数和(自身を含む): 50622528

約数和(自身を除く): 28741674

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 162, 186, 279, 558, 837, 1674, 2511, 4357, 5022, 8714, 13071, 26142, 39213, 78426, 117639, 135067, 235278, 270134, 352917, 405201, 705834, 810402, 1215603, 2431206, 3646809, 7293618, 10940427, 21880854]

約数ペア:

[(1, 21880854), (2, 10940427), (3, 7293618), (6, 3646809), (9, 2431206), (18, 1215603), (27, 810402), (31, 705834), (54, 405201), (62, 352917), (81, 270134), (93, 235278), (162, 135067), (186, 117639), (279, 78426), (558, 39213), (837, 26142), (1674, 13071), (2511, 8714), (4357, 5022)]