21930090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:336

約数の個数: 128

約数和(自身を含む): 67253760

約数和(自身を除く): 45323670

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 29, 30, 35, 39, 42, 58, 65, 70, 78, 87, 91, 105, 130, 145, 174, 182, 195, 203, 210, 273, 277, 290, 377, 390, 406, 435, 455, 546, 554, 609, 754, 831, 870, 910, 1015, 1131, 1218, 1365, 1385, 1662, 1885, 1939, 2030, 2262, 2639, 2730, 2770, 3045, 3601, 3770, 3878, 4155, 5278, 5655, 5817, 6090, 7202, 7917, 8033, 8310, 9695, 10803, 11310, 11634, 13195, 15834, 16066, 18005, 19390, 21606, 24099, 25207, 26390, 29085, 36010, 39585, 40165, 48198, 50414, 54015, 56231, 58170, 75621, 79170, 80330, 104429, 108030, 112462, 120495, 126035, 151242, 168693, 208858, 240990, 252070, 281155, 313287, 337386, 378105, 522145, 562310, 626574, 731003, 756210, 843465, 1044290, 1462006, 1566435, 1686930, 2193009, 3132870, 3655015, 4386018, 7310030, 10965045, 21930090]

約数ペア:

[(1, 21930090), (2, 10965045), (3, 7310030), (5, 4386018), (6, 3655015), (7, 3132870), (10, 2193009), (13, 1686930), (14, 1566435), (15, 1462006), (21, 1044290), (26, 843465), (29, 756210), (30, 731003), (35, 626574), (39, 562310), (42, 522145), (58, 378105), (65, 337386), (70, 313287), (78, 281155), (87, 252070), (91, 240990), (105, 208858), (130, 168693), (145, 151242), (174, 126035), (182, 120495), (195, 112462), (203, 108030), (210, 104429), (273, 80330), (277, 79170), (290, 75621), (377, 58170), (390, 56231), (406, 54015), (435, 50414), (455, 48198), (546, 40165), (554, 39585), (609, 36010), (754, 29085), (831, 26390), (870, 25207), (910, 24099), (1015, 21606), (1131, 19390), (1218, 18005), (1365, 16066), (1385, 15834), (1662, 13195), (1885, 11634), (1939, 11310), (2030, 10803), (2262, 9695), (2639, 8310), (2730, 8033), (2770, 7917), (3045, 7202), (3601, 6090), (3770, 5817), (3878, 5655), (4155, 5278)]