21283164

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{84457}}^1$

素因数の和:84474

約数の個数: 36

約数和(自身を含む): 61485424

約数和(自身を除く): 40202260

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 84457, 168914, 253371, 337828, 506742, 591199, 760113, 1013484, 1182398, 1520226, 1773597, 2364796, 3040452, 3547194, 5320791, 7094388, 10641582, 21283164]

約数ペア:

[(1, 21283164), (2, 10641582), (3, 7094388), (4, 5320791), (6, 3547194), (7, 3040452), (9, 2364796), (12, 1773597), (14, 1520226), (18, 1182398), (21, 1013484), (28, 760113), (36, 591199), (42, 506742), (63, 337828), (84, 253371), (126, 168914), (252, 84457)]