21502300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{11317}}^1$

素因数の和:11350

約数の個数: 36

約数和(自身を含む): 49120120

約数和(自身を除く): 27617820

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 11317, 22634, 45268, 56585, 113170, 215023, 226340, 282925, 430046, 565850, 860092, 1075115, 1131700, 2150230, 4300460, 5375575, 10751150, 21502300]

約数ペア:

[(1, 21502300), (2, 10751150), (4, 5375575), (5, 4300460), (10, 2150230), (19, 1131700), (20, 1075115), (25, 860092), (38, 565850), (50, 430046), (76, 282925), (95, 226340), (100, 215023), (190, 113170), (380, 56585), (475, 45268), (950, 22634), (1900, 11317)]