21247044

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19457}}^1$

素因数の和:19484

約数の個数: 48

約数和(自身を含む): 61020288

約数和(自身を除く): 39773244

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 19457, 38914, 58371, 77828, 116742, 136199, 233484, 252941, 272398, 408597, 505882, 544796, 758823, 817194, 1011764, 1517646, 1634388, 1770587, 3035292, 3541174, 5311761, 7082348, 10623522, 21247044]

約数ペア:

[(1, 21247044), (2, 10623522), (3, 7082348), (4, 5311761), (6, 3541174), (7, 3035292), (12, 1770587), (13, 1634388), (14, 1517646), (21, 1011764), (26, 817194), (28, 758823), (39, 544796), (42, 505882), (52, 408597), (78, 272398), (84, 252941), (91, 233484), (156, 136199), (182, 116742), (273, 77828), (364, 58371), (546, 38914), (1092, 19457)]