21940808516

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{587}}^1\times {\mathrm{2663}}^1$

素因数の和:3305

約数の個数: 72

約数和(自身を含む): 43750445760

約数和(自身を除く): 21809637244

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 121, 242, 319, 484, 587, 638, 1174, 1276, 2348, 2663, 3509, 5326, 6457, 7018, 10652, 12914, 14036, 17023, 25828, 29293, 34046, 58586, 68092, 71027, 77227, 117172, 142054, 154454, 187253, 284108, 308908, 322223, 374506, 644446, 749012, 849497, 1288892, 1563181, 1698994, 2059783, 3126362, 3397988, 4119566, 6252724, 8239132, 9344467, 17194991, 18688934, 34389982, 37377868, 45332249, 68779964, 90664498, 181328996, 189144901, 378289802, 498654739, 756579604, 997309478, 1994618956, 5485202129, 10970404258, 21940808516]

約数ペア:

[(1, 21940808516), (2, 10970404258), (4, 5485202129), (11, 1994618956), (22, 997309478), (29, 756579604), (44, 498654739), (58, 378289802), (116, 189144901), (121, 181328996), (242, 90664498), (319, 68779964), (484, 45332249), (587, 37377868), (638, 34389982), (1174, 18688934), (1276, 17194991), (2348, 9344467), (2663, 8239132), (3509, 6252724), (5326, 4119566), (6457, 3397988), (7018, 3126362), (10652, 2059783), (12914, 1698994), (14036, 1563181), (17023, 1288892), (25828, 849497), (29293, 749012), (34046, 644446), (58586, 374506), (68092, 322223), (71027, 308908), (77227, 284108), (117172, 187253), (142054, 154454)]