21388758230

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^2\times {\mathrm{1129}}^1$

素因数の和:1255

約数の個数: 144

約数和(自身を含む): 47942681760

約数和(自身を除く): 26553923530

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 41, 46, 49, 70, 82, 98, 115, 161, 205, 230, 245, 287, 322, 410, 490, 574, 805, 943, 1127, 1129, 1435, 1610, 1681, 1886, 2009, 2254, 2258, 2870, 3362, 4018, 4715, 5635, 5645, 6601, 7903, 8405, 9430, 10045, 11270, 11290, 11767, 13202, 15806, 16810, 20090, 23534, 25967, 33005, 38663, 39515, 46207, 46289, 51934, 55321, 58835, 66010, 77326, 79030, 82369, 92414, 92578, 110642, 117670, 129835, 164738, 181769, 193315, 231035, 231445, 259670, 270641, 276605, 324023, 363538, 386630, 411845, 462070, 462890, 541282, 553210, 648046, 823690, 908845, 1064647, 1272383, 1353205, 1620115, 1817690, 1894487, 1897849, 2129294, 2268161, 2544766, 2706410, 3240230, 3788974, 3795698, 4536322, 5323235, 6361915, 7452529, 9472435, 9489245, 10646470, 11340805, 12723830, 13284943, 14905058, 18944870, 18978490, 22681610, 26569886, 37262645, 43650527, 52167703, 66424715, 74525290, 87301054, 92994601, 104335406, 132849430, 185989202, 218252635, 260838515, 305553689, 436505270, 464973005, 521677030, 611107378, 929946010, 1527768445, 2138875823, 3055536890, 4277751646, 10694379115, 21388758230]

約数ペア:

[(1, 21388758230), (2, 10694379115), (5, 4277751646), (7, 3055536890), (10, 2138875823), (14, 1527768445), (23, 929946010), (35, 611107378), (41, 521677030), (46, 464973005), (49, 436505270), (70, 305553689), (82, 260838515), (98, 218252635), (115, 185989202), (161, 132849430), (205, 104335406), (230, 92994601), (245, 87301054), (287, 74525290), (322, 66424715), (410, 52167703), (490, 43650527), (574, 37262645), (805, 26569886), (943, 22681610), (1127, 18978490), (1129, 18944870), (1435, 14905058), (1610, 13284943), (1681, 12723830), (1886, 11340805), (2009, 10646470), (2254, 9489245), (2258, 9472435), (2870, 7452529), (3362, 6361915), (4018, 5323235), (4715, 4536322), (5635, 3795698), (5645, 3788974), (6601, 3240230), (7903, 2706410), (8405, 2544766), (9430, 2268161), (10045, 2129294), (11270, 1897849), (11290, 1894487), (11767, 1817690), (13202, 1620115), (15806, 1353205), (16810, 1272383), (20090, 1064647), (23534, 908845), (25967, 823690), (33005, 648046), (38663, 553210), (39515, 541282), (46207, 462890), (46289, 462070), (51934, 411845), (55321, 386630), (58835, 363538), (66010, 324023), (77326, 276605), (79030, 270641), (82369, 259670), (92414, 231445), (92578, 231035), (110642, 193315), (117670, 181769), (129835, 164738)]