21142764

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{193}}^1$

素因数の和:399

約数の個数: 72

約数和(自身を含む): 57198960

約数和(自身を除く): 36056196

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 179, 193, 204, 306, 358, 386, 537, 579, 612, 716, 772, 1074, 1158, 1611, 1737, 2148, 2316, 3043, 3222, 3281, 3474, 6086, 6444, 6562, 6948, 9129, 9843, 12172, 13124, 18258, 19686, 27387, 29529, 34547, 36516, 39372, 54774, 59058, 69094, 103641, 109548, 118116, 138188, 207282, 310923, 414564, 587299, 621846, 1174598, 1243692, 1761897, 2349196, 3523794, 5285691, 7047588, 10571382, 21142764]

約数ペア:

[(1, 21142764), (2, 10571382), (3, 7047588), (4, 5285691), (6, 3523794), (9, 2349196), (12, 1761897), (17, 1243692), (18, 1174598), (34, 621846), (36, 587299), (51, 414564), (68, 310923), (102, 207282), (153, 138188), (179, 118116), (193, 109548), (204, 103641), (306, 69094), (358, 59058), (386, 54774), (537, 39372), (579, 36516), (612, 34547), (716, 29529), (772, 27387), (1074, 19686), (1158, 18258), (1611, 13124), (1737, 12172), (2148, 9843), (2316, 9129), (3043, 6948), (3222, 6562), (3281, 6444), (3474, 6086)]