21264603

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 10254117

約数列:

[1, 3, 17, 37, 51, 59, 111, 177, 191, 573, 629, 1003, 1887, 2183, 3009, 3247, 6549, 7067, 9741, 11269, 21201, 33807, 37111, 111333, 120139, 191573, 360417, 416953, 574719, 1250859, 7088201, 21264603]

約数ペア:

[(1, 21264603), (3, 7088201), (17, 1250859), (37, 574719), (51, 416953), (59, 360417), (111, 191573), (177, 120139), (191, 111333), (573, 37111), (629, 33807), (1003, 21201), (1887, 11269), (2183, 9741), (3009, 7067), (3247, 6549)]