21218796

素因数分解:

$2^2\times 3^2\times {\mathrm{173}}^1\times {\mathrm{3407}}^1$

素因数の和:3590

約数の個数: 36

約数和(自身を含む): 53962272

約数和(自身を除く): 32743476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 173, 346, 519, 692, 1038, 1557, 2076, 3114, 3407, 6228, 6814, 10221, 13628, 20442, 30663, 40884, 61326, 122652, 589411, 1178822, 1768233, 2357644, 3536466, 5304699, 7072932, 10609398, 21218796]

約数ペア:

[(1, 21218796), (2, 10609398), (3, 7072932), (4, 5304699), (6, 3536466), (9, 2357644), (12, 1768233), (18, 1178822), (36, 589411), (173, 122652), (346, 61326), (519, 40884), (692, 30663), (1038, 20442), (1557, 13628), (2076, 10221), (3114, 6814), (3407, 6228)]