21778005730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1777}}^1\times {\mathrm{94273}}^1$

素因数の和:96070

約数の個数: 32

約数和(自身を含む): 42240031344

約数和(自身を除く): 20462025614

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1777, 3554, 8885, 17770, 23101, 46202, 94273, 115505, 188546, 231010, 471365, 942730, 1225549, 2451098, 6127745, 12255490, 167523121, 335046242, 837615605, 1675231210, 2177800573, 4355601146, 10889002865, 21778005730]

約数ペア:

[(1, 21778005730), (2, 10889002865), (5, 4355601146), (10, 2177800573), (13, 1675231210), (26, 837615605), (65, 335046242), (130, 167523121), (1777, 12255490), (3554, 6127745), (8885, 2451098), (17770, 1225549), (23101, 942730), (46202, 471365), (94273, 231010), (115505, 188546)]