21182264

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 44755200

約数和(自身を除く): 23572936

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 73, 76, 83, 92, 146, 152, 166, 184, 292, 332, 437, 584, 664, 874, 1387, 1577, 1679, 1748, 1909, 2774, 3154, 3358, 3496, 3818, 5548, 6059, 6308, 6716, 7636, 11096, 12118, 12616, 13432, 15272, 24236, 31901, 36271, 48472, 63802, 72542, 115121, 127604, 139357, 145084, 230242, 255208, 278714, 290168, 460484, 557428, 920968, 1114856, 2647783, 5295566, 10591132, 21182264]

約数ペア:

[(1, 21182264), (2, 10591132), (4, 5295566), (8, 2647783), (19, 1114856), (23, 920968), (38, 557428), (46, 460484), (73, 290168), (76, 278714), (83, 255208), (92, 230242), (146, 145084), (152, 139357), (166, 127604), (184, 115121), (292, 72542), (332, 63802), (437, 48472), (584, 36271), (664, 31901), (874, 24236), (1387, 15272), (1577, 13432), (1679, 12616), (1748, 12118), (1909, 11096), (2774, 7636), (3154, 6716), (3358, 6308), (3496, 6059), (3818, 5548)]