21557530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{733}}^1$

素因数の和:930

約数の個数: 32

約数和(自身を含む): 41379984

約数和(自身を除く): 19822454

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 173, 346, 733, 865, 1466, 1730, 2941, 3665, 5882, 7330, 12461, 14705, 24922, 29410, 62305, 124610, 126809, 253618, 634045, 1268090, 2155753, 4311506, 10778765, 21557530]

約数ペア:

[(1, 21557530), (2, 10778765), (5, 4311506), (10, 2155753), (17, 1268090), (34, 634045), (85, 253618), (170, 126809), (173, 124610), (346, 62305), (733, 29410), (865, 24922), (1466, 14705), (1730, 12461), (2941, 7330), (3665, 5882)]