21883000

素因数分解:

$2^3\times 5^3\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 52041600

約数和(自身を除く): 30158600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 125, 158, 200, 250, 277, 316, 395, 500, 554, 632, 790, 1000, 1108, 1385, 1580, 1975, 2216, 2770, 3160, 3950, 5540, 6925, 7900, 9875, 11080, 13850, 15800, 19750, 21883, 27700, 34625, 39500, 43766, 55400, 69250, 79000, 87532, 109415, 138500, 175064, 218830, 277000, 437660, 547075, 875320, 1094150, 2188300, 2735375, 4376600, 5470750, 10941500, 21883000]

約数ペア:

[(1, 21883000), (2, 10941500), (4, 5470750), (5, 4376600), (8, 2735375), (10, 2188300), (20, 1094150), (25, 875320), (40, 547075), (50, 437660), (79, 277000), (100, 218830), (125, 175064), (158, 138500), (200, 109415), (250, 87532), (277, 79000), (316, 69250), (395, 55400), (500, 43766), (554, 39500), (632, 34625), (790, 27700), (1000, 21883), (1108, 19750), (1385, 15800), (1580, 13850), (1975, 11080), (2216, 9875), (2770, 7900), (3160, 6925), (3950, 5540)]