21125286

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1433}}^1$

素因数の和:1467

約数の個数: 80

約数和(自身を含む): 58300704

約数和(自身を除く): 37175418

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 81, 91, 117, 126, 162, 182, 189, 234, 273, 351, 378, 546, 567, 702, 819, 1053, 1134, 1433, 1638, 2106, 2457, 2866, 4299, 4914, 7371, 8598, 10031, 12897, 14742, 18629, 20062, 25794, 30093, 37258, 38691, 55887, 60186, 77382, 90279, 111774, 116073, 130403, 167661, 180558, 232146, 260806, 270837, 335322, 391209, 502983, 541674, 782418, 812511, 1005966, 1173627, 1508949, 1625022, 2347254, 3017898, 3520881, 7041762, 10562643, 21125286]

約数ペア:

[(1, 21125286), (2, 10562643), (3, 7041762), (6, 3520881), (7, 3017898), (9, 2347254), (13, 1625022), (14, 1508949), (18, 1173627), (21, 1005966), (26, 812511), (27, 782418), (39, 541674), (42, 502983), (54, 391209), (63, 335322), (78, 270837), (81, 260806), (91, 232146), (117, 180558), (126, 167661), (162, 130403), (182, 116073), (189, 111774), (234, 90279), (273, 77382), (351, 60186), (378, 55887), (546, 38691), (567, 37258), (702, 30093), (819, 25794), (1053, 20062), (1134, 18629), (1433, 14742), (1638, 12897), (2106, 10031), (2457, 8598), (2866, 7371), (4299, 4914)]