21835470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:537

約数の個数: 64

約数和(自身を含む): 55240704

約数和(自身を除く): 33405234

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 53, 62, 93, 106, 155, 159, 186, 265, 310, 318, 443, 465, 530, 795, 886, 930, 1329, 1590, 1643, 2215, 2658, 3286, 4430, 4929, 6645, 8215, 9858, 13290, 13733, 16430, 23479, 24645, 27466, 41199, 46958, 49290, 68665, 70437, 82398, 117395, 137330, 140874, 205995, 234790, 352185, 411990, 704370, 727849, 1455698, 2183547, 3639245, 4367094, 7278490, 10917735, 21835470]

約数ペア:

[(1, 21835470), (2, 10917735), (3, 7278490), (5, 4367094), (6, 3639245), (10, 2183547), (15, 1455698), (30, 727849), (31, 704370), (53, 411990), (62, 352185), (93, 234790), (106, 205995), (155, 140874), (159, 137330), (186, 117395), (265, 82398), (310, 70437), (318, 68665), (443, 49290), (465, 46958), (530, 41199), (795, 27466), (886, 24645), (930, 23479), (1329, 16430), (1590, 13733), (1643, 13290), (2215, 9858), (2658, 8215), (3286, 6645), (4430, 4929)]