21822016

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:707

約数の個数: 56

約数和(自身を含む): 47402496

約数和(自身を除く): 25580480

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 136, 248, 272, 496, 527, 544, 647, 992, 1054, 1088, 1294, 1984, 2108, 2588, 4216, 5176, 8432, 10352, 10999, 16864, 20057, 20704, 21998, 33728, 40114, 41408, 43996, 80228, 87992, 160456, 175984, 320912, 340969, 351968, 641824, 681938, 703936, 1283648, 1363876, 2727752, 5455504, 10911008, 21822016]

約数ペア:

[(1, 21822016), (2, 10911008), (4, 5455504), (8, 2727752), (16, 1363876), (17, 1283648), (31, 703936), (32, 681938), (34, 641824), (62, 351968), (64, 340969), (68, 320912), (124, 175984), (136, 160456), (248, 87992), (272, 80228), (496, 43996), (527, 41408), (544, 40114), (647, 33728), (992, 21998), (1054, 20704), (1088, 20057), (1294, 16864), (1984, 10999), (2108, 10352), (2588, 8432), (4216, 5176)]