21365484

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{733}}^1$

素因数の和:1094

約数の個数: 48

約数和(自身を含む): 57216768

約数和(自身を除く): 35851284

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 347, 694, 733, 1041, 1388, 1466, 2082, 2199, 2429, 2932, 4164, 4398, 4858, 5131, 7287, 8796, 9716, 10262, 14574, 15393, 20524, 29148, 30786, 61572, 254351, 508702, 763053, 1017404, 1526106, 1780457, 3052212, 3560914, 5341371, 7121828, 10682742, 21365484]

約数ペア:

[(1, 21365484), (2, 10682742), (3, 7121828), (4, 5341371), (6, 3560914), (7, 3052212), (12, 1780457), (14, 1526106), (21, 1017404), (28, 763053), (42, 508702), (84, 254351), (347, 61572), (694, 30786), (733, 29148), (1041, 20524), (1388, 15393), (1466, 14574), (2082, 10262), (2199, 9716), (2429, 8796), (2932, 7287), (4164, 5131), (4398, 4858)]