21272370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:552

約数の個数: 96

約数和(自身を含む): 61560000

約数和(自身を除く): 40287630

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 49, 58, 70, 87, 98, 105, 145, 147, 174, 203, 210, 245, 290, 294, 406, 435, 490, 499, 609, 735, 870, 998, 1015, 1218, 1421, 1470, 1497, 2030, 2495, 2842, 2994, 3045, 3493, 4263, 4990, 6090, 6986, 7105, 7485, 8526, 10479, 14210, 14471, 14970, 17465, 20958, 21315, 24451, 28942, 34930, 42630, 43413, 48902, 52395, 72355, 73353, 86826, 101297, 104790, 122255, 144710, 146706, 202594, 217065, 244510, 303891, 366765, 434130, 506485, 607782, 709079, 733530, 1012970, 1418158, 1519455, 2127237, 3038910, 3545395, 4254474, 7090790, 10636185, 21272370]

約数ペア:

[(1, 21272370), (2, 10636185), (3, 7090790), (5, 4254474), (6, 3545395), (7, 3038910), (10, 2127237), (14, 1519455), (15, 1418158), (21, 1012970), (29, 733530), (30, 709079), (35, 607782), (42, 506485), (49, 434130), (58, 366765), (70, 303891), (87, 244510), (98, 217065), (105, 202594), (145, 146706), (147, 144710), (174, 122255), (203, 104790), (210, 101297), (245, 86826), (290, 73353), (294, 72355), (406, 52395), (435, 48902), (490, 43413), (499, 42630), (609, 34930), (735, 28942), (870, 24451), (998, 21315), (1015, 20958), (1218, 17465), (1421, 14970), (1470, 14471), (1497, 14210), (2030, 10479), (2495, 8526), (2842, 7485), (2994, 7105), (3045, 6986), (3493, 6090), (4263, 4990)]