21431628

素因数分解:

$2^2\times 3^5\times {\mathrm{17}}^1\times {\mathrm{1297}}^1$

素因数の和:1333

約数の個数: 72

約数和(自身を含む): 59531472

約数和(自身を除く): 38099844

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 81, 102, 108, 153, 162, 204, 243, 306, 324, 459, 486, 612, 918, 972, 1297, 1377, 1836, 2594, 2754, 3891, 4131, 5188, 5508, 7782, 8262, 11673, 15564, 16524, 22049, 23346, 35019, 44098, 46692, 66147, 70038, 88196, 105057, 132294, 140076, 198441, 210114, 264588, 315171, 396882, 420228, 595323, 630342, 793764, 1190646, 1260684, 1785969, 2381292, 3571938, 5357907, 7143876, 10715814, 21431628]

約数ペア:

[(1, 21431628), (2, 10715814), (3, 7143876), (4, 5357907), (6, 3571938), (9, 2381292), (12, 1785969), (17, 1260684), (18, 1190646), (27, 793764), (34, 630342), (36, 595323), (51, 420228), (54, 396882), (68, 315171), (81, 264588), (102, 210114), (108, 198441), (153, 140076), (162, 132294), (204, 105057), (243, 88196), (306, 70038), (324, 66147), (459, 46692), (486, 44098), (612, 35019), (918, 23346), (972, 22049), (1297, 16524), (1377, 15564), (1836, 11673), (2594, 8262), (2754, 7782), (3891, 5508), (4131, 5188)]