21204036

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{84143}}^1$

素因数の和:84160

約数の個数: 36

約数和(自身を含む): 61256832

約数和(自身を除く): 40052796

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 84143, 168286, 252429, 336572, 504858, 589001, 757287, 1009716, 1178002, 1514574, 1767003, 2356004, 3029148, 3534006, 5301009, 7068012, 10602018, 21204036]

約数ペア:

[(1, 21204036), (2, 10602018), (3, 7068012), (4, 5301009), (6, 3534006), (7, 3029148), (9, 2356004), (12, 1767003), (14, 1514574), (18, 1178002), (21, 1009716), (28, 757287), (36, 589001), (42, 504858), (63, 336572), (84, 252429), (126, 168286), (252, 84143)]