21316812

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{277}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 55904688

約数和(自身を除く): 34587876

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 53, 66, 106, 121, 132, 159, 212, 242, 277, 318, 363, 484, 554, 583, 636, 726, 831, 1108, 1166, 1452, 1662, 1749, 2332, 3047, 3324, 3498, 6094, 6413, 6996, 9141, 12188, 12826, 14681, 18282, 19239, 25652, 29362, 33517, 36564, 38478, 44043, 58724, 67034, 76956, 88086, 100551, 134068, 161491, 176172, 201102, 322982, 402204, 484473, 645964, 968946, 1776401, 1937892, 3552802, 5329203, 7105604, 10658406, 21316812]

約数ペア:

[(1, 21316812), (2, 10658406), (3, 7105604), (4, 5329203), (6, 3552802), (11, 1937892), (12, 1776401), (22, 968946), (33, 645964), (44, 484473), (53, 402204), (66, 322982), (106, 201102), (121, 176172), (132, 161491), (159, 134068), (212, 100551), (242, 88086), (277, 76956), (318, 67034), (363, 58724), (484, 44043), (554, 38478), (583, 36564), (636, 33517), (726, 29362), (831, 25652), (1108, 19239), (1166, 18282), (1452, 14681), (1662, 12826), (1749, 12188), (2332, 9141), (3047, 6996), (3324, 6413), (3498, 6094)]