21999768

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7703}}^1$

素因数の和:7736

約数の個数: 64

約数和(自身を含む): 66562560

約数和(自身を除く): 44562792

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 119, 136, 168, 204, 238, 357, 408, 476, 714, 952, 1428, 2856, 7703, 15406, 23109, 30812, 46218, 53921, 61624, 92436, 107842, 130951, 161763, 184872, 215684, 261902, 323526, 392853, 431368, 523804, 647052, 785706, 916657, 1047608, 1294104, 1571412, 1833314, 2749971, 3142824, 3666628, 5499942, 7333256, 10999884, 21999768]

約数ペア:

[(1, 21999768), (2, 10999884), (3, 7333256), (4, 5499942), (6, 3666628), (7, 3142824), (8, 2749971), (12, 1833314), (14, 1571412), (17, 1294104), (21, 1047608), (24, 916657), (28, 785706), (34, 647052), (42, 523804), (51, 431368), (56, 392853), (68, 323526), (84, 261902), (102, 215684), (119, 184872), (136, 161763), (168, 130951), (204, 107842), (238, 92436), (357, 61624), (408, 53921), (476, 46218), (714, 30812), (952, 23109), (1428, 15406), (2856, 7703)]