21903200

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:181

約数の個数: 144

約数和(自身を含む): 61871040

約数和(自身を除く): 39967840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 25, 32, 38, 40, 44, 50, 55, 76, 80, 88, 95, 100, 110, 131, 152, 160, 176, 190, 200, 209, 220, 262, 275, 304, 352, 380, 400, 418, 440, 475, 524, 550, 608, 655, 760, 800, 836, 880, 950, 1045, 1048, 1100, 1310, 1441, 1520, 1672, 1760, 1900, 2090, 2096, 2200, 2489, 2620, 2882, 3040, 3275, 3344, 3800, 4180, 4192, 4400, 4978, 5225, 5240, 5764, 6550, 6688, 7205, 7600, 8360, 8800, 9956, 10450, 10480, 11528, 12445, 13100, 14410, 15200, 16720, 19912, 20900, 20960, 23056, 24890, 26200, 27379, 28820, 33440, 36025, 39824, 41800, 46112, 49780, 52400, 54758, 57640, 62225, 72050, 79648, 83600, 99560, 104800, 109516, 115280, 124450, 136895, 144100, 167200, 199120, 219032, 230560, 248900, 273790, 288200, 398240, 438064, 497800, 547580, 576400, 684475, 876128, 995600, 1095160, 1152800, 1368950, 1991200, 2190320, 2737900, 4380640, 5475800, 10951600, 21903200]

約数ペア:

[(1, 21903200), (2, 10951600), (4, 5475800), (5, 4380640), (8, 2737900), (10, 2190320), (11, 1991200), (16, 1368950), (19, 1152800), (20, 1095160), (22, 995600), (25, 876128), (32, 684475), (38, 576400), (40, 547580), (44, 497800), (50, 438064), (55, 398240), (76, 288200), (80, 273790), (88, 248900), (95, 230560), (100, 219032), (110, 199120), (131, 167200), (152, 144100), (160, 136895), (176, 124450), (190, 115280), (200, 109516), (209, 104800), (220, 99560), (262, 83600), (275, 79648), (304, 72050), (352, 62225), (380, 57640), (400, 54758), (418, 52400), (440, 49780), (475, 46112), (524, 41800), (550, 39824), (608, 36025), (655, 33440), (760, 28820), (800, 27379), (836, 26200), (880, 24890), (950, 23056), (1045, 20960), (1048, 20900), (1100, 19912), (1310, 16720), (1441, 15200), (1520, 14410), (1672, 13100), (1760, 12445), (1900, 11528), (2090, 10480), (2096, 10450), (2200, 9956), (2489, 8800), (2620, 8360), (2882, 7600), (3040, 7205), (3275, 6688), (3344, 6550), (3800, 5764), (4180, 5240), (4192, 5225), (4400, 4978)]