21373352

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:211

約数の個数: 128

約数和(自身を含む): 57335040

約数和(自身を除く): 35961688

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 17, 22, 26, 28, 34, 44, 52, 56, 68, 77, 88, 91, 104, 119, 136, 143, 154, 157, 182, 187, 221, 238, 286, 308, 314, 364, 374, 442, 476, 572, 616, 628, 728, 748, 884, 952, 1001, 1099, 1144, 1256, 1309, 1496, 1547, 1727, 1768, 2002, 2041, 2198, 2431, 2618, 2669, 3094, 3454, 4004, 4082, 4396, 4862, 5236, 5338, 6188, 6908, 8008, 8164, 8792, 9724, 10472, 10676, 12089, 12376, 13816, 14287, 16328, 17017, 18683, 19448, 21352, 22451, 24178, 28574, 29359, 34034, 34697, 37366, 44902, 48356, 57148, 58718, 68068, 69394, 74732, 89804, 96712, 114296, 117436, 136136, 138788, 149464, 157157, 179608, 205513, 234872, 242879, 277576, 314314, 381667, 411026, 485758, 628628, 763334, 822052, 971516, 1257256, 1526668, 1644104, 1943032, 2671669, 3053336, 5343338, 10686676, 21373352]

約数ペア:

[(1, 21373352), (2, 10686676), (4, 5343338), (7, 3053336), (8, 2671669), (11, 1943032), (13, 1644104), (14, 1526668), (17, 1257256), (22, 971516), (26, 822052), (28, 763334), (34, 628628), (44, 485758), (52, 411026), (56, 381667), (68, 314314), (77, 277576), (88, 242879), (91, 234872), (104, 205513), (119, 179608), (136, 157157), (143, 149464), (154, 138788), (157, 136136), (182, 117436), (187, 114296), (221, 96712), (238, 89804), (286, 74732), (308, 69394), (314, 68068), (364, 58718), (374, 57148), (442, 48356), (476, 44902), (572, 37366), (616, 34697), (628, 34034), (728, 29359), (748, 28574), (884, 24178), (952, 22451), (1001, 21352), (1099, 19448), (1144, 18683), (1256, 17017), (1309, 16328), (1496, 14287), (1547, 13816), (1727, 12376), (1768, 12089), (2002, 10676), (2041, 10472), (2198, 9724), (2431, 8792), (2618, 8164), (2669, 8008), (3094, 6908), (3454, 6188), (4004, 5338), (4082, 5236), (4396, 4862)]