21150648

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15461}}^1$

素因数の和:15492

約数の個数: 48

約数和(自身を含む): 60301800

約数和(自身を除く): 39151152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 15461, 30922, 46383, 61844, 92766, 123688, 139149, 185532, 278298, 293759, 371064, 556596, 587518, 881277, 1113192, 1175036, 1762554, 2350072, 2643831, 3525108, 5287662, 7050216, 10575324, 21150648]

約数ペア:

[(1, 21150648), (2, 10575324), (3, 7050216), (4, 5287662), (6, 3525108), (8, 2643831), (9, 2350072), (12, 1762554), (18, 1175036), (19, 1113192), (24, 881277), (36, 587518), (38, 556596), (57, 371064), (72, 293759), (76, 278298), (114, 185532), (152, 139149), (171, 123688), (228, 92766), (342, 61844), (456, 46383), (684, 30922), (1368, 15461)]