21939204

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1879}}^1$

素因数の和:2032

約数の個数: 48

約数和(自身を含む): 58956800

約数和(自身を除く): 37017596

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 139, 278, 417, 556, 834, 973, 1668, 1879, 1946, 2919, 3758, 3892, 5637, 5838, 7516, 11274, 11676, 13153, 22548, 26306, 39459, 52612, 78918, 157836, 261181, 522362, 783543, 1044724, 1567086, 1828267, 3134172, 3656534, 5484801, 7313068, 10969602, 21939204]

約数ペア:

[(1, 21939204), (2, 10969602), (3, 7313068), (4, 5484801), (6, 3656534), (7, 3134172), (12, 1828267), (14, 1567086), (21, 1044724), (28, 783543), (42, 522362), (84, 261181), (139, 157836), (278, 78918), (417, 52612), (556, 39459), (834, 26306), (973, 22548), (1668, 13153), (1879, 11676), (1946, 11274), (2919, 7516), (3758, 5838), (3892, 5637)]