21698930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:335

約数の個数: 48

約数和(自身を含む): 43666560

約数和(自身を除く): 21967630

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 121, 158, 227, 242, 395, 454, 605, 790, 869, 1135, 1210, 1738, 2270, 2497, 4345, 4994, 8690, 9559, 12485, 17933, 19118, 24970, 27467, 35866, 47795, 54934, 89665, 95590, 137335, 179330, 197263, 274670, 394526, 986315, 1972630, 2169893, 4339786, 10849465, 21698930]

約数ペア:

[(1, 21698930), (2, 10849465), (5, 4339786), (10, 2169893), (11, 1972630), (22, 986315), (55, 394526), (79, 274670), (110, 197263), (121, 179330), (158, 137335), (227, 95590), (242, 89665), (395, 54934), (454, 47795), (605, 35866), (790, 27467), (869, 24970), (1135, 19118), (1210, 17933), (1738, 12485), (2270, 9559), (2497, 8690), (4345, 4994)]