2021134860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{211859}}^1$

素因数の和:211927

約数の個数: 72

約数和(自身を含む): 6246480240

約数和(自身を除く): 4225345380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 9540, 211859, 423718, 635577, 847436, 1059295, 1271154, 1906731, 2118590, 2542308, 3177885, 3813462, 4237180, 6355770, 7626924, 9533655, 11228527, 12711540, 19067310, 22457054, 33685581, 38134620, 44914108, 56142635, 67371162, 101056743, 112285270, 134742324, 168427905, 202113486, 224570540, 336855810, 404226972, 505283715, 673711620, 1010567430, 2021134860]

約数ペア:

[(1, 2021134860), (2, 1010567430), (3, 673711620), (4, 505283715), (5, 404226972), (6, 336855810), (9, 224570540), (10, 202113486), (12, 168427905), (15, 134742324), (18, 112285270), (20, 101056743), (30, 67371162), (36, 56142635), (45, 44914108), (53, 38134620), (60, 33685581), (90, 22457054), (106, 19067310), (159, 12711540), (180, 11228527), (212, 9533655), (265, 7626924), (318, 6355770), (477, 4237180), (530, 3813462), (636, 3177885), (795, 2542308), (954, 2118590), (1060, 1906731), (1590, 1271154), (1908, 1059295), (2385, 847436), (3180, 635577), (4770, 423718), (9540, 211859)]