21519696

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{769}}^1$

素因数の和:844

約数の個数: 80

約数和(自身を含む): 61871040

約数和(自身を除く): 40351344

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 53, 66, 88, 106, 132, 159, 176, 212, 264, 318, 424, 528, 583, 636, 769, 848, 1166, 1272, 1538, 1749, 2307, 2332, 2544, 3076, 3498, 4614, 4664, 6152, 6996, 8459, 9228, 9328, 12304, 13992, 16918, 18456, 25377, 27984, 33836, 36912, 40757, 50754, 67672, 81514, 101508, 122271, 135344, 163028, 203016, 244542, 326056, 406032, 448327, 489084, 652112, 896654, 978168, 1344981, 1793308, 1956336, 2689962, 3586616, 5379924, 7173232, 10759848, 21519696]

約数ペア:

[(1, 21519696), (2, 10759848), (3, 7173232), (4, 5379924), (6, 3586616), (8, 2689962), (11, 1956336), (12, 1793308), (16, 1344981), (22, 978168), (24, 896654), (33, 652112), (44, 489084), (48, 448327), (53, 406032), (66, 326056), (88, 244542), (106, 203016), (132, 163028), (159, 135344), (176, 122271), (212, 101508), (264, 81514), (318, 67672), (424, 50754), (528, 40757), (583, 36912), (636, 33836), (769, 27984), (848, 25377), (1166, 18456), (1272, 16918), (1538, 13992), (1749, 12304), (2307, 9328), (2332, 9228), (2544, 8459), (3076, 6996), (3498, 6152), (4614, 4664)]