21419080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28183}}^1$

素因数の和:28213

約数の個数: 32

約数和(自身を含む): 50731200

約数和(自身を除く): 29312120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 28183, 56366, 112732, 140915, 225464, 281830, 535477, 563660, 1070954, 1127320, 2141908, 2677385, 4283816, 5354770, 10709540, 21419080]

約数ペア:

[(1, 21419080), (2, 10709540), (4, 5354770), (5, 4283816), (8, 2677385), (10, 2141908), (19, 1127320), (20, 1070954), (38, 563660), (40, 535477), (76, 281830), (95, 225464), (152, 140915), (190, 112732), (380, 56366), (760, 28183)]