21523400

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{4679}}^1$

素因数の和:4718

約数の個数: 48

約数和(自身を含む): 52228800

約数和(自身を除く): 30705400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 184, 200, 230, 460, 575, 920, 1150, 2300, 4600, 4679, 9358, 18716, 23395, 37432, 46790, 93580, 107617, 116975, 187160, 215234, 233950, 430468, 467900, 538085, 860936, 935800, 1076170, 2152340, 2690425, 4304680, 5380850, 10761700, 21523400]

約数ペア:

[(1, 21523400), (2, 10761700), (4, 5380850), (5, 4304680), (8, 2690425), (10, 2152340), (20, 1076170), (23, 935800), (25, 860936), (40, 538085), (46, 467900), (50, 430468), (92, 233950), (100, 215234), (115, 187160), (184, 116975), (200, 107617), (230, 93580), (460, 46790), (575, 37432), (920, 23395), (1150, 18716), (2300, 9358), (4600, 4679)]