21260448

素因数分解:

$2^5\times 3^3\times {\mathrm{11}}^1\times {\mathrm{2237}}^1$

素因数の和:2267

約数の個数: 96

約数和(自身を含む): 67677120

約数和(自身を除く): 46416672

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 66, 72, 88, 96, 99, 108, 132, 144, 176, 198, 216, 264, 288, 297, 352, 396, 432, 528, 594, 792, 864, 1056, 1188, 1584, 2237, 2376, 3168, 4474, 4752, 6711, 8948, 9504, 13422, 17896, 20133, 24607, 26844, 35792, 40266, 49214, 53688, 60399, 71584, 73821, 80532, 98428, 107376, 120798, 147642, 161064, 196856, 214752, 221463, 241596, 295284, 322128, 393712, 442926, 483192, 590568, 644256, 664389, 787424, 885852, 966384, 1181136, 1328778, 1771704, 1932768, 2362272, 2657556, 3543408, 5315112, 7086816, 10630224, 21260448]

約数ペア:

[(1, 21260448), (2, 10630224), (3, 7086816), (4, 5315112), (6, 3543408), (8, 2657556), (9, 2362272), (11, 1932768), (12, 1771704), (16, 1328778), (18, 1181136), (22, 966384), (24, 885852), (27, 787424), (32, 664389), (33, 644256), (36, 590568), (44, 483192), (48, 442926), (54, 393712), (66, 322128), (72, 295284), (88, 241596), (96, 221463), (99, 214752), (108, 196856), (132, 161064), (144, 147642), (176, 120798), (198, 107376), (216, 98428), (264, 80532), (288, 73821), (297, 71584), (352, 60399), (396, 53688), (432, 49214), (528, 40266), (594, 35792), (792, 26844), (864, 24607), (1056, 20133), (1188, 17896), (1584, 13422), (2237, 9504), (2376, 8948), (3168, 6711), (4474, 4752)]