21639504

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1153}}^1$

素因数の和:1204

約数の個数: 80

約数和(自身を含む): 61817472

約数和(自身を除く): 40177968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 23, 24, 34, 46, 48, 51, 68, 69, 92, 102, 136, 138, 184, 204, 272, 276, 368, 391, 408, 552, 782, 816, 1104, 1153, 1173, 1564, 2306, 2346, 3128, 3459, 4612, 4692, 6256, 6918, 9224, 9384, 13836, 18448, 18768, 19601, 26519, 27672, 39202, 53038, 55344, 58803, 78404, 79557, 106076, 117606, 156808, 159114, 212152, 235212, 313616, 318228, 424304, 450823, 470424, 636456, 901646, 940848, 1272912, 1352469, 1803292, 2704938, 3606584, 5409876, 7213168, 10819752, 21639504]

約数ペア:

[(1, 21639504), (2, 10819752), (3, 7213168), (4, 5409876), (6, 3606584), (8, 2704938), (12, 1803292), (16, 1352469), (17, 1272912), (23, 940848), (24, 901646), (34, 636456), (46, 470424), (48, 450823), (51, 424304), (68, 318228), (69, 313616), (92, 235212), (102, 212152), (136, 159114), (138, 156808), (184, 117606), (204, 106076), (272, 79557), (276, 78404), (368, 58803), (391, 55344), (408, 53038), (552, 39202), (782, 27672), (816, 26519), (1104, 19601), (1153, 18768), (1173, 18448), (1564, 13836), (2306, 9384), (2346, 9224), (3128, 6918), (3459, 6256), (4612, 4692)]