21362964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{967}}^1$

素因数の和:1244

約数の個数: 48

約数和(自身を含む): 57243648

約数和(自身を除く): 35880684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 263, 526, 789, 967, 1052, 1578, 1841, 1934, 2901, 3156, 3682, 3868, 5523, 5802, 6769, 7364, 11046, 11604, 13538, 20307, 22092, 27076, 40614, 81228, 254321, 508642, 762963, 1017284, 1525926, 1780247, 3051852, 3560494, 5340741, 7120988, 10681482, 21362964]

約数ペア:

[(1, 21362964), (2, 10681482), (3, 7120988), (4, 5340741), (6, 3560494), (7, 3051852), (12, 1780247), (14, 1525926), (21, 1017284), (28, 762963), (42, 508642), (84, 254321), (263, 81228), (526, 40614), (789, 27076), (967, 22092), (1052, 20307), (1578, 13538), (1841, 11604), (1934, 11046), (2901, 7364), (3156, 6769), (3682, 5802), (3868, 5523)]