21502560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{44797}}^1$

素因数の和:44815

約数の個数: 48

約数和(自身を含む): 67734576

約数和(自身を除く): 46232016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 44797, 89594, 134391, 179188, 223985, 268782, 358376, 447970, 537564, 671955, 716752, 895940, 1075128, 1343910, 1433504, 1791880, 2150256, 2687820, 3583760, 4300512, 5375640, 7167520, 10751280, 21502560]

約数ペア:

[(1, 21502560), (2, 10751280), (3, 7167520), (4, 5375640), (5, 4300512), (6, 3583760), (8, 2687820), (10, 2150256), (12, 1791880), (15, 1433504), (16, 1343910), (20, 1075128), (24, 895940), (30, 716752), (32, 671955), (40, 537564), (48, 447970), (60, 358376), (80, 268782), (96, 223985), (120, 179188), (160, 134391), (240, 89594), (480, 44797)]