21647400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:459

約数の個数: 96

約数和(自身を含む): 67927200

約数和(自身を除く): 46279800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 109, 120, 150, 200, 218, 300, 327, 331, 436, 545, 600, 654, 662, 872, 993, 1090, 1308, 1324, 1635, 1655, 1986, 2180, 2616, 2648, 2725, 3270, 3310, 3972, 4360, 4965, 5450, 6540, 6620, 7944, 8175, 8275, 9930, 10900, 13080, 13240, 16350, 16550, 19860, 21800, 24825, 32700, 33100, 36079, 39720, 49650, 65400, 66200, 72158, 99300, 108237, 144316, 180395, 198600, 216474, 288632, 360790, 432948, 541185, 721580, 865896, 901975, 1082370, 1443160, 1803950, 2164740, 2705925, 3607900, 4329480, 5411850, 7215800, 10823700, 21647400]

約数ペア:

[(1, 21647400), (2, 10823700), (3, 7215800), (4, 5411850), (5, 4329480), (6, 3607900), (8, 2705925), (10, 2164740), (12, 1803950), (15, 1443160), (20, 1082370), (24, 901975), (25, 865896), (30, 721580), (40, 541185), (50, 432948), (60, 360790), (75, 288632), (100, 216474), (109, 198600), (120, 180395), (150, 144316), (200, 108237), (218, 99300), (300, 72158), (327, 66200), (331, 65400), (436, 49650), (545, 39720), (600, 36079), (654, 33100), (662, 32700), (872, 24825), (993, 21800), (1090, 19860), (1308, 16550), (1324, 16350), (1635, 13240), (1655, 13080), (1986, 10900), (2180, 9930), (2616, 8275), (2648, 8175), (2725, 7944), (3270, 6620), (3310, 6540), (3972, 5450), (4360, 4965)]