21416450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1693}}^1$

素因数の和:1739

約数の個数: 48

約数和(自身を含む): 45372096

約数和(自身を除く): 23955646

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 110, 115, 230, 253, 275, 506, 550, 575, 1150, 1265, 1693, 2530, 3386, 6325, 8465, 12650, 16930, 18623, 37246, 38939, 42325, 77878, 84650, 93115, 186230, 194695, 389390, 428329, 465575, 856658, 931150, 973475, 1946950, 2141645, 4283290, 10708225, 21416450]

約数ペア:

[(1, 21416450), (2, 10708225), (5, 4283290), (10, 2141645), (11, 1946950), (22, 973475), (23, 931150), (25, 856658), (46, 465575), (50, 428329), (55, 389390), (110, 194695), (115, 186230), (230, 93115), (253, 84650), (275, 77878), (506, 42325), (550, 38939), (575, 37246), (1150, 18623), (1265, 16930), (1693, 12650), (2530, 8465), (3386, 6325)]