21536361

素因数分解:

$3^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1151}}^1$

素因数の和:1184

約数の個数: 48

約数和(自身を含む): 40255488

約数和(自身を除く): 18719127

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 243, 297, 567, 693, 891, 1151, 1701, 2079, 2673, 3453, 6237, 8057, 10359, 12661, 18711, 24171, 31077, 37983, 72513, 88627, 93231, 113949, 217539, 265881, 279693, 341847, 652617, 797643, 1025541, 1957851, 2392929, 3076623, 7178787, 21536361]

約数ペア:

[(1, 21536361), (3, 7178787), (7, 3076623), (9, 2392929), (11, 1957851), (21, 1025541), (27, 797643), (33, 652617), (63, 341847), (77, 279693), (81, 265881), (99, 217539), (189, 113949), (231, 93231), (243, 88627), (297, 72513), (567, 37983), (693, 31077), (891, 24171), (1151, 18711), (1701, 12661), (2079, 10359), (2673, 8057), (3453, 6237)]