21043374

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 49109760

約数和(自身を除く): 28066386

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 97, 114, 173, 194, 209, 291, 346, 418, 519, 582, 627, 1038, 1067, 1254, 1843, 1903, 2134, 3201, 3287, 3686, 3806, 5529, 5709, 6402, 6574, 9861, 11058, 11418, 16781, 19722, 20273, 33562, 36157, 40546, 50343, 60819, 72314, 100686, 108471, 121638, 184591, 216942, 318839, 369182, 553773, 637678, 956517, 1107546, 1913034, 3507229, 7014458, 10521687, 21043374]

約数ペア:

[(1, 21043374), (2, 10521687), (3, 7014458), (6, 3507229), (11, 1913034), (19, 1107546), (22, 956517), (33, 637678), (38, 553773), (57, 369182), (66, 318839), (97, 216942), (114, 184591), (173, 121638), (194, 108471), (209, 100686), (291, 72314), (346, 60819), (418, 50343), (519, 40546), (582, 36157), (627, 33562), (1038, 20273), (1067, 19722), (1254, 16781), (1843, 11418), (1903, 11058), (2134, 9861), (3201, 6574), (3287, 6402), (3686, 5709), (3806, 5529)]