21992412

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{140977}}^1$

素因数の和:140997

約数の個数: 24

約数和(自身を含む): 55263376

約数和(自身を除く): 33270964

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 140977, 281954, 422931, 563908, 845862, 1691724, 1832701, 3665402, 5498103, 7330804, 10996206, 21992412]

約数ペア:

[(1, 21992412), (2, 10996206), (3, 7330804), (4, 5498103), (6, 3665402), (12, 1832701), (13, 1691724), (26, 845862), (39, 563908), (52, 422931), (78, 281954), (156, 140977)]