21097536770

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{397}}^1\times {\mathrm{1489}}^1$

素因数の和:2019

約数の個数: 64

約数和(自身を含む): 39452434560

約数和(自身を除く): 18354897790

約数列:

[1, 2, 5, 10, 43, 83, 86, 166, 215, 397, 415, 430, 794, 830, 1489, 1985, 2978, 3569, 3970, 7138, 7445, 14890, 17071, 17845, 32951, 34142, 35690, 64027, 65902, 85355, 123587, 128054, 164755, 170710, 247174, 320135, 329510, 591133, 617935, 640270, 1182266, 1235870, 1416893, 2833786, 2955665, 5314241, 5911330, 7084465, 10628482, 14168930, 25418719, 26571205, 49064039, 50837438, 53142410, 98128078, 127093595, 245320195, 254187190, 490640390, 2109753677, 4219507354, 10548768385, 21097536770]

約数ペア:

[(1, 21097536770), (2, 10548768385), (5, 4219507354), (10, 2109753677), (43, 490640390), (83, 254187190), (86, 245320195), (166, 127093595), (215, 98128078), (397, 53142410), (415, 50837438), (430, 49064039), (794, 26571205), (830, 25418719), (1489, 14168930), (1985, 10628482), (2978, 7084465), (3569, 5911330), (3970, 5314241), (7138, 2955665), (7445, 2833786), (14890, 1416893), (17071, 1235870), (17845, 1182266), (32951, 640270), (34142, 617935), (35690, 591133), (64027, 329510), (65902, 320135), (85355, 247174), (123587, 170710), (128054, 164755)]