21131550

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1423}}^1$

素因数の和:1455

約数の個数: 96

約数和(自身を含む): 63567360

約数和(自身を除く): 42435810

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 27, 30, 33, 45, 50, 54, 55, 66, 75, 90, 99, 110, 135, 150, 165, 198, 225, 270, 275, 297, 330, 450, 495, 550, 594, 675, 825, 990, 1350, 1423, 1485, 1650, 2475, 2846, 2970, 4269, 4950, 7115, 7425, 8538, 12807, 14230, 14850, 15653, 21345, 25614, 31306, 35575, 38421, 42690, 46959, 64035, 71150, 76842, 78265, 93918, 106725, 128070, 140877, 156530, 192105, 213450, 234795, 281754, 320175, 384210, 391325, 422631, 469590, 640350, 704385, 782650, 845262, 960525, 1173975, 1408770, 1921050, 2113155, 2347950, 3521925, 4226310, 7043850, 10565775, 21131550]

約数ペア:

[(1, 21131550), (2, 10565775), (3, 7043850), (5, 4226310), (6, 3521925), (9, 2347950), (10, 2113155), (11, 1921050), (15, 1408770), (18, 1173975), (22, 960525), (25, 845262), (27, 782650), (30, 704385), (33, 640350), (45, 469590), (50, 422631), (54, 391325), (55, 384210), (66, 320175), (75, 281754), (90, 234795), (99, 213450), (110, 192105), (135, 156530), (150, 140877), (165, 128070), (198, 106725), (225, 93918), (270, 78265), (275, 76842), (297, 71150), (330, 64035), (450, 46959), (495, 42690), (550, 38421), (594, 35575), (675, 31306), (825, 25614), (990, 21345), (1350, 15653), (1423, 14850), (1485, 14230), (1650, 12807), (2475, 8538), (2846, 7425), (2970, 7115), (4269, 4950)]