21440600

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 53568000

約数和(自身を除く): 32127400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 59, 79, 92, 100, 115, 118, 158, 184, 200, 230, 236, 295, 316, 395, 460, 472, 575, 590, 632, 790, 920, 1150, 1180, 1357, 1475, 1580, 1817, 1975, 2300, 2360, 2714, 2950, 3160, 3634, 3950, 4600, 4661, 5428, 5900, 6785, 7268, 7900, 9085, 9322, 10856, 11800, 13570, 14536, 15800, 18170, 18644, 23305, 27140, 33925, 36340, 37288, 45425, 46610, 54280, 67850, 72680, 90850, 93220, 107203, 116525, 135700, 181700, 186440, 214406, 233050, 271400, 363400, 428812, 466100, 536015, 857624, 932200, 1072030, 2144060, 2680075, 4288120, 5360150, 10720300, 21440600]

約数ペア:

[(1, 21440600), (2, 10720300), (4, 5360150), (5, 4288120), (8, 2680075), (10, 2144060), (20, 1072030), (23, 932200), (25, 857624), (40, 536015), (46, 466100), (50, 428812), (59, 363400), (79, 271400), (92, 233050), (100, 214406), (115, 186440), (118, 181700), (158, 135700), (184, 116525), (200, 107203), (230, 93220), (236, 90850), (295, 72680), (316, 67850), (395, 54280), (460, 46610), (472, 45425), (575, 37288), (590, 36340), (632, 33925), (790, 27140), (920, 23305), (1150, 18644), (1180, 18170), (1357, 15800), (1475, 14536), (1580, 13570), (1817, 11800), (1975, 10856), (2300, 9322), (2360, 9085), (2714, 7900), (2950, 7268), (3160, 6785), (3634, 5900), (3950, 5428), (4600, 4661)]