21560637

素因数分解:

$3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{911}}^1$

素因数の和:958

約数の個数: 32

約数和(自身を含む): 35020800

約数和(自身を除く): 13460163

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 343, 483, 911, 1029, 1127, 2733, 3381, 6377, 7889, 19131, 20953, 23667, 44639, 62859, 133917, 146671, 312473, 440013, 937419, 1026697, 3080091, 7186879, 21560637]

約数ペア:

[(1, 21560637), (3, 7186879), (7, 3080091), (21, 1026697), (23, 937419), (49, 440013), (69, 312473), (147, 146671), (161, 133917), (343, 62859), (483, 44639), (911, 23667), (1029, 20953), (1127, 19131), (2733, 7889), (3381, 6377)]