21940744

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1213}}^1$

素因数の和:1262

約数の個数: 64

約数和(自身を含む): 52444800

約数和(自身を除く): 30504056

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 34, 38, 56, 68, 76, 119, 133, 136, 152, 238, 266, 323, 476, 532, 646, 952, 1064, 1213, 1292, 2261, 2426, 2584, 4522, 4852, 8491, 9044, 9704, 16982, 18088, 20621, 23047, 33964, 41242, 46094, 67928, 82484, 92188, 144347, 161329, 164968, 184376, 288694, 322658, 391799, 577388, 645316, 783598, 1154776, 1290632, 1567196, 2742593, 3134392, 5485186, 10970372, 21940744]

約数ペア:

[(1, 21940744), (2, 10970372), (4, 5485186), (7, 3134392), (8, 2742593), (14, 1567196), (17, 1290632), (19, 1154776), (28, 783598), (34, 645316), (38, 577388), (56, 391799), (68, 322658), (76, 288694), (119, 184376), (133, 164968), (136, 161329), (152, 144347), (238, 92188), (266, 82484), (323, 67928), (476, 46094), (532, 41242), (646, 33964), (952, 23047), (1064, 20621), (1213, 18088), (1292, 16982), (2261, 9704), (2426, 9044), (2584, 8491), (4522, 4852)]