21770352

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:215

約数の個数: 120

約数和(自身を含む): 65608400

約数和(自身を除く): 43838048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 73, 76, 109, 114, 144, 146, 152, 171, 218, 219, 228, 292, 304, 327, 342, 436, 438, 456, 584, 654, 657, 684, 872, 876, 912, 981, 1168, 1308, 1314, 1368, 1387, 1744, 1752, 1962, 2071, 2616, 2628, 2736, 2774, 3504, 3924, 4142, 4161, 5232, 5256, 5548, 6213, 7848, 7957, 8284, 8322, 10512, 11096, 12426, 12483, 15696, 15914, 16568, 16644, 18639, 22192, 23871, 24852, 24966, 31828, 33136, 33288, 37278, 47742, 49704, 49932, 63656, 66576, 71613, 74556, 95484, 99408, 99864, 127312, 143226, 149112, 151183, 190968, 199728, 286452, 298224, 302366, 381936, 453549, 572904, 604732, 907098, 1145808, 1209464, 1360647, 1814196, 2418928, 2721294, 3628392, 5442588, 7256784, 10885176, 21770352]

約数ペア:

[(1, 21770352), (2, 10885176), (3, 7256784), (4, 5442588), (6, 3628392), (8, 2721294), (9, 2418928), (12, 1814196), (16, 1360647), (18, 1209464), (19, 1145808), (24, 907098), (36, 604732), (38, 572904), (48, 453549), (57, 381936), (72, 302366), (73, 298224), (76, 286452), (109, 199728), (114, 190968), (144, 151183), (146, 149112), (152, 143226), (171, 127312), (218, 99864), (219, 99408), (228, 95484), (292, 74556), (304, 71613), (327, 66576), (342, 63656), (436, 49932), (438, 49704), (456, 47742), (584, 37278), (654, 33288), (657, 33136), (684, 31828), (872, 24966), (876, 24852), (912, 23871), (981, 22192), (1168, 18639), (1308, 16644), (1314, 16568), (1368, 15914), (1387, 15696), (1744, 12483), (1752, 12426), (1962, 11096), (2071, 10512), (2616, 8322), (2628, 8284), (2736, 7957), (2774, 7848), (3504, 6213), (3924, 5548), (4142, 5256), (4161, 5232)]