21467502

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{491}}^1$

素因数の和:853

約数の個数: 48

約数和(自身を含む): 53419392

約数和(自身を除く): 31951890

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 347, 491, 694, 982, 1041, 1473, 2082, 2429, 2946, 3123, 3437, 4419, 4858, 6246, 6874, 7287, 8838, 10311, 14574, 20622, 21861, 30933, 43722, 61866, 170377, 340754, 511131, 1022262, 1192639, 1533393, 2385278, 3066786, 3577917, 7155834, 10733751, 21467502]

約数ペア:

[(1, 21467502), (2, 10733751), (3, 7155834), (6, 3577917), (7, 3066786), (9, 2385278), (14, 1533393), (18, 1192639), (21, 1022262), (42, 511131), (63, 340754), (126, 170377), (347, 61866), (491, 43722), (694, 30933), (982, 21861), (1041, 20622), (1473, 14574), (2082, 10311), (2429, 8838), (2946, 7287), (3123, 6874), (3437, 6246), (4419, 4858)]