21010230

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 57451680

約数和(自身を除く): 36441450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 61, 86, 89, 90, 122, 129, 178, 183, 215, 258, 267, 305, 366, 387, 430, 445, 534, 549, 610, 645, 774, 801, 890, 915, 1098, 1290, 1335, 1602, 1830, 1935, 2623, 2670, 2745, 3827, 3870, 4005, 5246, 5429, 5490, 7654, 7869, 8010, 10858, 11481, 13115, 15738, 16287, 19135, 22962, 23607, 26230, 27145, 32574, 34443, 38270, 39345, 47214, 48861, 54290, 57405, 68886, 78690, 81435, 97722, 114810, 118035, 162870, 172215, 233447, 236070, 244305, 344430, 466894, 488610, 700341, 1167235, 1400682, 2101023, 2334470, 3501705, 4202046, 7003410, 10505115, 21010230]

約数ペア:

[(1, 21010230), (2, 10505115), (3, 7003410), (5, 4202046), (6, 3501705), (9, 2334470), (10, 2101023), (15, 1400682), (18, 1167235), (30, 700341), (43, 488610), (45, 466894), (61, 344430), (86, 244305), (89, 236070), (90, 233447), (122, 172215), (129, 162870), (178, 118035), (183, 114810), (215, 97722), (258, 81435), (267, 78690), (305, 68886), (366, 57405), (387, 54290), (430, 48861), (445, 47214), (534, 39345), (549, 38270), (610, 34443), (645, 32574), (774, 27145), (801, 26230), (890, 23607), (915, 22962), (1098, 19135), (1290, 16287), (1335, 15738), (1602, 13115), (1830, 11481), (1935, 10858), (2623, 8010), (2670, 7869), (2745, 7654), (3827, 5490), (3870, 5429), (4005, 5246)]