21963006

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1997}}^1$

素因数の和:2065

約数の個数: 48

約数和(自身を含む): 52363584

約数和(自身を除く): 30400578

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 47, 78, 94, 117, 141, 234, 282, 423, 611, 846, 1222, 1833, 1997, 3666, 3994, 5499, 5991, 10998, 11982, 17973, 25961, 35946, 51922, 77883, 93859, 155766, 187718, 233649, 281577, 467298, 563154, 844731, 1220167, 1689462, 2440334, 3660501, 7321002, 10981503, 21963006]

約数ペア:

[(1, 21963006), (2, 10981503), (3, 7321002), (6, 3660501), (9, 2440334), (13, 1689462), (18, 1220167), (26, 844731), (39, 563154), (47, 467298), (78, 281577), (94, 233649), (117, 187718), (141, 155766), (234, 93859), (282, 77883), (423, 51922), (611, 35946), (846, 25961), (1222, 17973), (1833, 11982), (1997, 10998), (3666, 5991), (3994, 5499)]