21511476

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{85363}}^1$

素因数の和:85380

約数の個数: 36

約数和(自身を含む): 62144992

約数和(自身を除く): 40633516

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 85363, 170726, 256089, 341452, 512178, 597541, 768267, 1024356, 1195082, 1536534, 1792623, 2390164, 3073068, 3585246, 5377869, 7170492, 10755738, 21511476]

約数ペア:

[(1, 21511476), (2, 10755738), (3, 7170492), (4, 5377869), (6, 3585246), (7, 3073068), (9, 2390164), (12, 1792623), (14, 1536534), (18, 1195082), (21, 1024356), (28, 768267), (36, 597541), (42, 512178), (63, 341452), (84, 256089), (126, 170726), (252, 85363)]