21865250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{7951}}^1$

素因数の和:7979

約数の個数: 32

約数和(自身を含む): 44658432

約数和(自身を除く): 22793182

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 7951, 15902, 39755, 79510, 87461, 174922, 198775, 397550, 437305, 874610, 993875, 1987750, 2186525, 4373050, 10932625, 21865250]

約数ペア:

[(1, 21865250), (2, 10932625), (5, 4373050), (10, 2186525), (11, 1987750), (22, 993875), (25, 874610), (50, 437305), (55, 397550), (110, 198775), (125, 174922), (250, 87461), (275, 79510), (550, 39755), (1375, 15902), (2750, 7951)]