21015161433

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{353737}}^1$

素因数の和:353814

約数の個数: 48

約数和(自身を含む): 37083062016

約数和(自身を除く): 16067900583

約数列:

[1, 3, 7, 9, 21, 23, 41, 63, 69, 123, 161, 207, 287, 369, 483, 861, 943, 1449, 2583, 2829, 6601, 8487, 19803, 59409, 353737, 1061211, 2476159, 3183633, 7428477, 8135951, 14503217, 22285431, 24407853, 43509651, 56951657, 73223559, 101522519, 130528953, 170854971, 304567557, 333573991, 512564913, 913702671, 1000721973, 2335017937, 3002165919, 7005053811, 21015161433]

約数ペア:

[(1, 21015161433), (3, 7005053811), (7, 3002165919), (9, 2335017937), (21, 1000721973), (23, 913702671), (41, 512564913), (63, 333573991), (69, 304567557), (123, 170854971), (161, 130528953), (207, 101522519), (287, 73223559), (369, 56951657), (483, 43509651), (861, 24407853), (943, 22285431), (1449, 14503217), (2583, 8135951), (2829, 7428477), (6601, 3183633), (8487, 2476159), (19803, 1061211), (59409, 353737)]