21661728

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:378

約数の個数: 96

約数和(自身を含む): 63104832

約数和(自身を除く): 41443104

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 73, 88, 96, 132, 146, 176, 219, 264, 281, 292, 352, 438, 528, 562, 584, 803, 843, 876, 1056, 1124, 1168, 1606, 1686, 1752, 2248, 2336, 2409, 3091, 3212, 3372, 3504, 4496, 4818, 6182, 6424, 6744, 7008, 8992, 9273, 9636, 12364, 12848, 13488, 18546, 19272, 20513, 24728, 25696, 26976, 37092, 38544, 41026, 49456, 61539, 74184, 77088, 82052, 98912, 123078, 148368, 164104, 225643, 246156, 296736, 328208, 451286, 492312, 656416, 676929, 902572, 984624, 1353858, 1805144, 1969248, 2707716, 3610288, 5415432, 7220576, 10830864, 21661728]

約数ペア:

[(1, 21661728), (2, 10830864), (3, 7220576), (4, 5415432), (6, 3610288), (8, 2707716), (11, 1969248), (12, 1805144), (16, 1353858), (22, 984624), (24, 902572), (32, 676929), (33, 656416), (44, 492312), (48, 451286), (66, 328208), (73, 296736), (88, 246156), (96, 225643), (132, 164104), (146, 148368), (176, 123078), (219, 98912), (264, 82052), (281, 77088), (292, 74184), (352, 61539), (438, 49456), (528, 41026), (562, 38544), (584, 37092), (803, 26976), (843, 25696), (876, 24728), (1056, 20513), (1124, 19272), (1168, 18546), (1606, 13488), (1686, 12848), (1752, 12364), (2248, 9636), (2336, 9273), (2409, 8992), (3091, 7008), (3212, 6744), (3372, 6424), (3504, 6182), (4496, 4818)]