21075450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 58335552

約数和(自身を除く): 37260102

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 53, 55, 66, 75, 106, 110, 150, 159, 165, 241, 265, 275, 318, 330, 482, 530, 550, 583, 723, 795, 825, 1166, 1205, 1325, 1446, 1590, 1650, 1749, 2410, 2650, 2651, 2915, 3498, 3615, 3975, 5302, 5830, 6025, 7230, 7950, 7953, 8745, 12050, 12773, 13255, 14575, 15906, 17490, 18075, 25546, 26510, 29150, 36150, 38319, 39765, 43725, 63865, 66275, 76638, 79530, 87450, 127730, 132550, 140503, 191595, 198825, 281006, 319325, 383190, 397650, 421509, 638650, 702515, 843018, 957975, 1405030, 1915950, 2107545, 3512575, 4215090, 7025150, 10537725, 21075450]

約数ペア:

[(1, 21075450), (2, 10537725), (3, 7025150), (5, 4215090), (6, 3512575), (10, 2107545), (11, 1915950), (15, 1405030), (22, 957975), (25, 843018), (30, 702515), (33, 638650), (50, 421509), (53, 397650), (55, 383190), (66, 319325), (75, 281006), (106, 198825), (110, 191595), (150, 140503), (159, 132550), (165, 127730), (241, 87450), (265, 79530), (275, 76638), (318, 66275), (330, 63865), (482, 43725), (530, 39765), (550, 38319), (583, 36150), (723, 29150), (795, 26510), (825, 25546), (1166, 18075), (1205, 17490), (1325, 15906), (1446, 14575), (1590, 13255), (1650, 12773), (1749, 12050), (2410, 8745), (2650, 7953), (2651, 7950), (2915, 7230), (3498, 6025), (3615, 5830), (3975, 5302)]