21105600

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{4397}}^1$

素因数の和:4422

約数の個数: 84

約数和(自身を含む): 69259704

約数和(自身を除く): 48154104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 150, 160, 192, 200, 240, 300, 320, 400, 480, 600, 800, 960, 1200, 1600, 2400, 4397, 4800, 8794, 13191, 17588, 21985, 26382, 35176, 43970, 52764, 65955, 70352, 87940, 105528, 109925, 131910, 140704, 175880, 211056, 219850, 263820, 281408, 329775, 351760, 422112, 439700, 527640, 659550, 703520, 844224, 879400, 1055280, 1319100, 1407040, 1758800, 2110560, 2638200, 3517600, 4221120, 5276400, 7035200, 10552800, 21105600]

約数ペア:

[(1, 21105600), (2, 10552800), (3, 7035200), (4, 5276400), (5, 4221120), (6, 3517600), (8, 2638200), (10, 2110560), (12, 1758800), (15, 1407040), (16, 1319100), (20, 1055280), (24, 879400), (25, 844224), (30, 703520), (32, 659550), (40, 527640), (48, 439700), (50, 422112), (60, 351760), (64, 329775), (75, 281408), (80, 263820), (96, 219850), (100, 211056), (120, 175880), (150, 140704), (160, 131910), (192, 109925), (200, 105528), (240, 87940), (300, 70352), (320, 65955), (400, 52764), (480, 43970), (600, 35176), (800, 26382), (960, 21985), (1200, 17588), (1600, 13191), (2400, 8794), (4397, 4800)]