21055818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1097}}^1$

素因数の和:1566

約数の個数: 32

約数和(自身を含む): 48276864

約数和(自身を除く): 27221046

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 457, 914, 1097, 1371, 2194, 2742, 3199, 3291, 6398, 6582, 7679, 9597, 15358, 19194, 23037, 46074, 501329, 1002658, 1503987, 3007974, 3509303, 7018606, 10527909, 21055818]

約数ペア:

[(1, 21055818), (2, 10527909), (3, 7018606), (6, 3509303), (7, 3007974), (14, 1503987), (21, 1002658), (42, 501329), (457, 46074), (914, 23037), (1097, 19194), (1371, 15358), (2194, 9597), (2742, 7679), (3199, 6582), (3291, 6398)]