21594070

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1277}}^1$

素因数の和:1392

約数の個数: 32

約数和(自身を含む): 41407200

約数和(自身を除く): 19813130

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 445, 890, 1277, 1691, 2554, 3382, 6385, 8455, 12770, 16910, 24263, 48526, 113653, 121315, 227306, 242630, 568265, 1136530, 2159407, 4318814, 10797035, 21594070]

約数ペア:

[(1, 21594070), (2, 10797035), (5, 4318814), (10, 2159407), (19, 1136530), (38, 568265), (89, 242630), (95, 227306), (178, 121315), (190, 113653), (445, 48526), (890, 24263), (1277, 16910), (1691, 12770), (2554, 8455), (3382, 6385)]