21112364

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1871}}^1$

素因数の和:1926

約数の個数: 48

約数和(自身を含む): 46964736

約数和(自身を除く): 25852372

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 1871, 2821, 3742, 5642, 7484, 11284, 13097, 24323, 26194, 48646, 52388, 58001, 97292, 116002, 170261, 232004, 340522, 406007, 681044, 754013, 812014, 1508026, 1624028, 3016052, 5278091, 10556182, 21112364]

約数ペア:

[(1, 21112364), (2, 10556182), (4, 5278091), (7, 3016052), (13, 1624028), (14, 1508026), (26, 812014), (28, 754013), (31, 681044), (52, 406007), (62, 340522), (91, 232004), (124, 170261), (182, 116002), (217, 97292), (364, 58001), (403, 52388), (434, 48646), (806, 26194), (868, 24323), (1612, 13097), (1871, 11284), (2821, 7484), (3742, 5642)]