21565764

素因数分解:

$2^2\times 3^5\times {\mathrm{11}}^1\times {\mathrm{2017}}^1$

素因数の和:2047

約数の個数: 72

約数和(自身を含む): 61702368

約数和(自身を除く): 40136604

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 81, 99, 108, 132, 162, 198, 243, 297, 324, 396, 486, 594, 891, 972, 1188, 1782, 2017, 2673, 3564, 4034, 5346, 6051, 8068, 10692, 12102, 18153, 22187, 24204, 36306, 44374, 54459, 66561, 72612, 88748, 108918, 133122, 163377, 199683, 217836, 266244, 326754, 399366, 490131, 599049, 653508, 798732, 980262, 1198098, 1797147, 1960524, 2396196, 3594294, 5391441, 7188588, 10782882, 21565764]

約数ペア:

[(1, 21565764), (2, 10782882), (3, 7188588), (4, 5391441), (6, 3594294), (9, 2396196), (11, 1960524), (12, 1797147), (18, 1198098), (22, 980262), (27, 798732), (33, 653508), (36, 599049), (44, 490131), (54, 399366), (66, 326754), (81, 266244), (99, 217836), (108, 199683), (132, 163377), (162, 133122), (198, 108918), (243, 88748), (297, 72612), (324, 66561), (396, 54459), (486, 44374), (594, 36306), (891, 24204), (972, 22187), (1188, 18153), (1782, 12102), (2017, 10692), (2673, 8068), (3564, 6051), (4034, 5346)]