21688571730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{381103}}^1$

素因数の和:381391

約数の個数: 64

約数和(自身を含む): 59708325888

約数和(自身を除く): 38019754158

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 271, 542, 813, 1355, 1626, 1897, 2710, 3794, 4065, 5691, 8130, 9485, 11382, 18970, 28455, 56910, 381103, 762206, 1143309, 1905515, 2286618, 2667721, 3811030, 5335442, 5716545, 8003163, 11433090, 13338605, 16006326, 26677210, 40015815, 80031630, 103278913, 206557826, 309836739, 516394565, 619673478, 722952391, 1032789130, 1445904782, 1549183695, 2168857173, 3098367390, 3614761955, 4337714346, 7229523910, 10844285865, 21688571730]

約数ペア:

[(1, 21688571730), (2, 10844285865), (3, 7229523910), (5, 4337714346), (6, 3614761955), (7, 3098367390), (10, 2168857173), (14, 1549183695), (15, 1445904782), (21, 1032789130), (30, 722952391), (35, 619673478), (42, 516394565), (70, 309836739), (105, 206557826), (210, 103278913), (271, 80031630), (542, 40015815), (813, 26677210), (1355, 16006326), (1626, 13338605), (1897, 11433090), (2710, 8003163), (3794, 5716545), (4065, 5335442), (5691, 3811030), (8130, 2667721), (9485, 2286618), (11382, 1905515), (18970, 1143309), (28455, 762206), (56910, 381103)]