21111948

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1367}}^1$

素因数の和:1404

約数の個数: 96

約数和(自身を含む): 64350720

約数和(自身を除く): 43238772

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 27, 33, 36, 39, 44, 52, 54, 66, 78, 99, 108, 117, 132, 143, 156, 198, 234, 286, 297, 351, 396, 429, 468, 572, 594, 702, 858, 1188, 1287, 1367, 1404, 1716, 2574, 2734, 3861, 4101, 5148, 5468, 7722, 8202, 12303, 15037, 15444, 16404, 17771, 24606, 30074, 35542, 36909, 45111, 49212, 53313, 60148, 71084, 73818, 90222, 106626, 135333, 147636, 159939, 180444, 195481, 213252, 270666, 319878, 390962, 405999, 479817, 541332, 586443, 639756, 781924, 811998, 959634, 1172886, 1623996, 1759329, 1919268, 2345772, 3518658, 5277987, 7037316, 10555974, 21111948]

約数ペア:

[(1, 21111948), (2, 10555974), (3, 7037316), (4, 5277987), (6, 3518658), (9, 2345772), (11, 1919268), (12, 1759329), (13, 1623996), (18, 1172886), (22, 959634), (26, 811998), (27, 781924), (33, 639756), (36, 586443), (39, 541332), (44, 479817), (52, 405999), (54, 390962), (66, 319878), (78, 270666), (99, 213252), (108, 195481), (117, 180444), (132, 159939), (143, 147636), (156, 135333), (198, 106626), (234, 90222), (286, 73818), (297, 71084), (351, 60148), (396, 53313), (429, 49212), (468, 45111), (572, 36909), (594, 35542), (702, 30074), (858, 24606), (1188, 17771), (1287, 16404), (1367, 15444), (1404, 15037), (1716, 12303), (2574, 8202), (2734, 7722), (3861, 5468), (4101, 5148)]