21330450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{443}}^1$

素因数の和:568

約数の個数: 72

約数和(自身を含む): 57973968

約数和(自身を除く): 36643518

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 107, 150, 214, 225, 321, 443, 450, 535, 642, 886, 963, 1070, 1329, 1605, 1926, 2215, 2658, 2675, 3210, 3987, 4430, 4815, 5350, 6645, 7974, 8025, 9630, 11075, 13290, 16050, 19935, 22150, 24075, 33225, 39870, 47401, 48150, 66450, 94802, 99675, 142203, 199350, 237005, 284406, 426609, 474010, 711015, 853218, 1185025, 1422030, 2133045, 2370050, 3555075, 4266090, 7110150, 10665225, 21330450]

約数ペア:

[(1, 21330450), (2, 10665225), (3, 7110150), (5, 4266090), (6, 3555075), (9, 2370050), (10, 2133045), (15, 1422030), (18, 1185025), (25, 853218), (30, 711015), (45, 474010), (50, 426609), (75, 284406), (90, 237005), (107, 199350), (150, 142203), (214, 99675), (225, 94802), (321, 66450), (443, 48150), (450, 47401), (535, 39870), (642, 33225), (886, 24075), (963, 22150), (1070, 19935), (1329, 16050), (1605, 13290), (1926, 11075), (2215, 9630), (2658, 8025), (2675, 7974), (3210, 6645), (3987, 5350), (4430, 4815)]