21578886

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{6343}}^1$

素因数の和:6367

約数の個数: 48

約数和(自身を含む): 55421184

約数和(自身を除く): 33842298

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 1134, 1701, 3402, 6343, 12686, 19029, 38058, 44401, 57087, 88802, 114174, 133203, 171261, 266406, 342522, 399609, 513783, 799218, 1027566, 1198827, 1541349, 2397654, 3082698, 3596481, 7192962, 10789443, 21578886]

約数ペア:

[(1, 21578886), (2, 10789443), (3, 7192962), (6, 3596481), (7, 3082698), (9, 2397654), (14, 1541349), (18, 1198827), (21, 1027566), (27, 799218), (42, 513783), (54, 399609), (63, 342522), (81, 266406), (126, 171261), (162, 133203), (189, 114174), (243, 88802), (378, 57087), (486, 44401), (567, 38058), (1134, 19029), (1701, 12686), (3402, 6343)]