21989852010

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{4986361}}^1$

素因数の和:4986388

約数の個数: 72

約数和(自身を含む): 66508096356

約数和(自身を除く): 44518244346

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 4986361, 9972722, 14959083, 24931805, 29918166, 34904527, 44877249, 49863610, 69809054, 74795415, 89754498, 104713581, 149590830, 174522635, 209427162, 224386245, 244331689, 314140743, 349045270, 448772490, 488663378, 523567905, 628281486, 732995067, 1047135810, 1221658445, 1465990134, 1570703715, 2198985201, 2443316890, 3141407430, 3664975335, 4397970402, 7329950670, 10994926005, 21989852010]

約数ペア:

[(1, 21989852010), (2, 10994926005), (3, 7329950670), (5, 4397970402), (6, 3664975335), (7, 3141407430), (9, 2443316890), (10, 2198985201), (14, 1570703715), (15, 1465990134), (18, 1221658445), (21, 1047135810), (30, 732995067), (35, 628281486), (42, 523567905), (45, 488663378), (49, 448772490), (63, 349045270), (70, 314140743), (90, 244331689), (98, 224386245), (105, 209427162), (126, 174522635), (147, 149590830), (210, 104713581), (245, 89754498), (294, 74795415), (315, 69809054), (441, 49863610), (490, 44877249), (630, 34904527), (735, 29918166), (882, 24931805), (1470, 14959083), (2205, 9972722), (4410, 4986361)]