21927670

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{349}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 40622400

約数和(自身を除く): 18694730

約数列:

[1, 2, 5, 10, 61, 103, 122, 206, 305, 349, 515, 610, 698, 1030, 1745, 3490, 6283, 12566, 21289, 31415, 35947, 42578, 62830, 71894, 106445, 179735, 212890, 359470, 2192767, 4385534, 10963835, 21927670]

約数ペア:

[(1, 21927670), (2, 10963835), (5, 4385534), (10, 2192767), (61, 359470), (103, 212890), (122, 179735), (206, 106445), (305, 71894), (349, 62830), (515, 42578), (610, 35947), (698, 31415), (1030, 21289), (1745, 12566), (3490, 6283)]