21863835

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2239}}^1$

素因数の和:2288

約数の個数: 48

約数和(自身を含む): 44728320

約数和(自身を除く): 22864485

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 279, 315, 465, 651, 1085, 1395, 1953, 2239, 3255, 6717, 9765, 11195, 15673, 20151, 33585, 47019, 69409, 78365, 100755, 141057, 208227, 235095, 347045, 485863, 624681, 705285, 1041135, 1457589, 2429315, 3123405, 4372767, 7287945, 21863835]

約数ペア:

[(1, 21863835), (3, 7287945), (5, 4372767), (7, 3123405), (9, 2429315), (15, 1457589), (21, 1041135), (31, 705285), (35, 624681), (45, 485863), (63, 347045), (93, 235095), (105, 208227), (155, 141057), (217, 100755), (279, 78365), (315, 69409), (465, 47019), (651, 33585), (1085, 20151), (1395, 15673), (1953, 11195), (2239, 9765), (3255, 6717)]