21395700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{23773}}^1$

素因数の和:23793

約数の個数: 54

約数和(自身を含む): 67066454

約数和(自身を除く): 45670754

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 23773, 47546, 71319, 95092, 118865, 142638, 213957, 237730, 285276, 356595, 427914, 475460, 594325, 713190, 855828, 1069785, 1188650, 1426380, 1782975, 2139570, 2377300, 3565950, 4279140, 5348925, 7131900, 10697850, 21395700]

約数ペア:

[(1, 21395700), (2, 10697850), (3, 7131900), (4, 5348925), (5, 4279140), (6, 3565950), (9, 2377300), (10, 2139570), (12, 1782975), (15, 1426380), (18, 1188650), (20, 1069785), (25, 855828), (30, 713190), (36, 594325), (45, 475460), (50, 427914), (60, 356595), (75, 285276), (90, 237730), (100, 213957), (150, 142638), (180, 118865), (225, 95092), (300, 71319), (450, 47546), (900, 23773)]