21478338

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{56821}}^1$

素因数の和:56839

約数の個数: 32

約数和(自身を含む): 54549120

約数和(自身を除く): 33070782

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 56821, 113642, 170463, 340926, 397747, 511389, 795494, 1022778, 1193241, 1534167, 2386482, 3068334, 3579723, 7159446, 10739169, 21478338]

約数ペア:

[(1, 21478338), (2, 10739169), (3, 7159446), (6, 3579723), (7, 3068334), (9, 2386482), (14, 1534167), (18, 1193241), (21, 1022778), (27, 795494), (42, 511389), (54, 397747), (63, 340926), (126, 170463), (189, 113642), (378, 56821)]