21807055504

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1801}}^1\times {\mathrm{2531}}^1$

素因数の和:4376

約数の個数: 80

約数和(自身を含む): 47524708224

約数和(自身を除く): 25717652720

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 1801, 2392, 2531, 3602, 4784, 5062, 7204, 10124, 14408, 20248, 23413, 28816, 32903, 40496, 41423, 46826, 58213, 65806, 82846, 93652, 116426, 131612, 165692, 187304, 232852, 263224, 331384, 374608, 465704, 526448, 538499, 662768, 756769, 931408, 1076998, 1513538, 2153996, 3027076, 4307992, 4558331, 6054152, 8615984, 9116662, 12108304, 18233324, 36466648, 59258303, 72933296, 104841613, 118516606, 209683226, 237033212, 419366452, 474066424, 838732904, 948132848, 1362940969, 1677465808, 2725881938, 5451763876, 10903527752, 21807055504]

約数ペア:

[(1, 21807055504), (2, 10903527752), (4, 5451763876), (8, 2725881938), (13, 1677465808), (16, 1362940969), (23, 948132848), (26, 838732904), (46, 474066424), (52, 419366452), (92, 237033212), (104, 209683226), (184, 118516606), (208, 104841613), (299, 72933296), (368, 59258303), (598, 36466648), (1196, 18233324), (1801, 12108304), (2392, 9116662), (2531, 8615984), (3602, 6054152), (4784, 4558331), (5062, 4307992), (7204, 3027076), (10124, 2153996), (14408, 1513538), (20248, 1076998), (23413, 931408), (28816, 756769), (32903, 662768), (40496, 538499), (41423, 526448), (46826, 465704), (58213, 374608), (65806, 331384), (82846, 263224), (93652, 232852), (116426, 187304), (131612, 165692)]