21691746

素因数分解:

$2^1\times 3^3\times {\mathrm{349}}^1\times {\mathrm{1151}}^1$

素因数の和:1511

約数の個数: 32

約数和(自身を含む): 48384000

約数和(自身を除く): 26692254

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 349, 698, 1047, 1151, 2094, 2302, 3141, 3453, 6282, 6906, 9423, 10359, 18846, 20718, 31077, 62154, 401699, 803398, 1205097, 2410194, 3615291, 7230582, 10845873, 21691746]

約数ペア:

[(1, 21691746), (2, 10845873), (3, 7230582), (6, 3615291), (9, 2410194), (18, 1205097), (27, 803398), (54, 401699), (349, 62154), (698, 31077), (1047, 20718), (1151, 18846), (2094, 10359), (2302, 9423), (3141, 6906), (3453, 6282)]