21121722

素因数分解:

$2^1\times 3^4\times {\mathrm{241}}^1\times {\mathrm{541}}^1$

素因数の和:796

約数の個数: 40

約数和(自身を含む): 47612532

約数和(自身を除く): 26490810

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 241, 482, 541, 723, 1082, 1446, 1623, 2169, 3246, 4338, 4869, 6507, 9738, 13014, 14607, 19521, 29214, 39042, 43821, 87642, 130381, 260762, 391143, 782286, 1173429, 2346858, 3520287, 7040574, 10560861, 21121722]

約数ペア:

[(1, 21121722), (2, 10560861), (3, 7040574), (6, 3520287), (9, 2346858), (18, 1173429), (27, 782286), (54, 391143), (81, 260762), (162, 130381), (241, 87642), (482, 43821), (541, 39042), (723, 29214), (1082, 19521), (1446, 14607), (1623, 13014), (2169, 9738), (3246, 6507), (4338, 4869)]