21555450

素因数分解:

$2^1\times 3^3\times 5^2\times 7^1\times {\mathrm{2281}}^1$

素因数の和:2309

約数の個数: 96

約数和(自身を含む): 67912320

約数和(自身を除く): 46356870

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 90, 105, 126, 135, 150, 175, 189, 210, 225, 270, 315, 350, 378, 450, 525, 630, 675, 945, 1050, 1350, 1575, 1890, 2281, 3150, 4562, 4725, 6843, 9450, 11405, 13686, 15967, 20529, 22810, 31934, 34215, 41058, 47901, 57025, 61587, 68430, 79835, 95802, 102645, 114050, 123174, 143703, 159670, 171075, 205290, 239505, 287406, 307935, 342150, 399175, 431109, 479010, 513225, 615870, 718515, 798350, 862218, 1026450, 1197525, 1437030, 1539675, 2155545, 2395050, 3079350, 3592575, 4311090, 7185150, 10777725, 21555450]

約数ペア:

[(1, 21555450), (2, 10777725), (3, 7185150), (5, 4311090), (6, 3592575), (7, 3079350), (9, 2395050), (10, 2155545), (14, 1539675), (15, 1437030), (18, 1197525), (21, 1026450), (25, 862218), (27, 798350), (30, 718515), (35, 615870), (42, 513225), (45, 479010), (50, 431109), (54, 399175), (63, 342150), (70, 307935), (75, 287406), (90, 239505), (105, 205290), (126, 171075), (135, 159670), (150, 143703), (175, 123174), (189, 114050), (210, 102645), (225, 95802), (270, 79835), (315, 68430), (350, 61587), (378, 57025), (450, 47901), (525, 41058), (630, 34215), (675, 31934), (945, 22810), (1050, 20529), (1350, 15967), (1575, 13686), (1890, 11405), (2281, 9450), (3150, 6843), (4562, 4725)]