2004221751

素因数分解:

$3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{148891}}^1$

素因数の和:149542

約数の個数: 16

約数和(自身を含む): 3058837248

約数和(自身を除く): 1054615497

約数列:

[1, 3, 7, 21, 641, 1923, 4487, 13461, 148891, 446673, 1042237, 3126711, 95439131, 286317393, 668073917, 2004221751]

約数ペア:

[(1, 2004221751), (3, 668073917), (7, 286317393), (21, 95439131), (641, 3126711), (1923, 1042237), (4487, 446673), (13461, 148891)]