21830370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 54763776

約数和(自身を除く): 32933406

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 71, 74, 111, 142, 185, 213, 222, 277, 355, 370, 426, 554, 555, 710, 831, 1065, 1110, 1385, 1662, 2130, 2627, 2770, 4155, 5254, 7881, 8310, 10249, 13135, 15762, 19667, 20498, 26270, 30747, 39334, 39405, 51245, 59001, 61494, 78810, 98335, 102490, 118002, 153735, 196670, 295005, 307470, 590010, 727679, 1455358, 2183037, 3638395, 4366074, 7276790, 10915185, 21830370]

約数ペア:

[(1, 21830370), (2, 10915185), (3, 7276790), (5, 4366074), (6, 3638395), (10, 2183037), (15, 1455358), (30, 727679), (37, 590010), (71, 307470), (74, 295005), (111, 196670), (142, 153735), (185, 118002), (213, 102490), (222, 98335), (277, 78810), (355, 61494), (370, 59001), (426, 51245), (554, 39405), (555, 39334), (710, 30747), (831, 26270), (1065, 20498), (1110, 19667), (1385, 15762), (1662, 13135), (2130, 10249), (2627, 8310), (2770, 7881), (4155, 5254)]