21315150

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:320

約数の個数: 120

約数和(自身を含む): 62566680

約数和(自身を除く): 41251530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 27, 30, 38, 45, 50, 54, 57, 75, 81, 90, 95, 114, 135, 150, 162, 171, 190, 225, 270, 277, 285, 342, 405, 450, 475, 513, 554, 570, 675, 810, 831, 855, 950, 1026, 1350, 1385, 1425, 1539, 1662, 1710, 2025, 2493, 2565, 2770, 2850, 3078, 4050, 4155, 4275, 4986, 5130, 5263, 6925, 7479, 7695, 8310, 8550, 10526, 12465, 12825, 13850, 14958, 15390, 15789, 20775, 22437, 24930, 25650, 26315, 31578, 37395, 38475, 41550, 44874, 47367, 52630, 62325, 74790, 76950, 78945, 94734, 112185, 124650, 131575, 142101, 157890, 186975, 224370, 236835, 263150, 284202, 373950, 394725, 426303, 473670, 560925, 710505, 789450, 852606, 1121850, 1184175, 1421010, 2131515, 2368350, 3552525, 4263030, 7105050, 10657575, 21315150]

約数ペア:

[(1, 21315150), (2, 10657575), (3, 7105050), (5, 4263030), (6, 3552525), (9, 2368350), (10, 2131515), (15, 1421010), (18, 1184175), (19, 1121850), (25, 852606), (27, 789450), (30, 710505), (38, 560925), (45, 473670), (50, 426303), (54, 394725), (57, 373950), (75, 284202), (81, 263150), (90, 236835), (95, 224370), (114, 186975), (135, 157890), (150, 142101), (162, 131575), (171, 124650), (190, 112185), (225, 94734), (270, 78945), (277, 76950), (285, 74790), (342, 62325), (405, 52630), (450, 47367), (475, 44874), (513, 41550), (554, 38475), (570, 37395), (675, 31578), (810, 26315), (831, 25650), (855, 24930), (950, 22437), (1026, 20775), (1350, 15789), (1385, 15390), (1425, 14958), (1539, 13850), (1662, 12825), (1710, 12465), (2025, 10526), (2493, 8550), (2565, 8310), (2770, 7695), (2850, 7479), (3078, 6925), (4050, 5263), (4155, 5130), (4275, 4986)]