21726690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{811}}^1$

素因数の和:887

約数の個数: 64

約数和(自身を含む): 56125440

約数和(自身を除く): 34398750

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 47, 57, 94, 95, 114, 141, 190, 235, 282, 285, 470, 570, 705, 811, 893, 1410, 1622, 1786, 2433, 2679, 4055, 4465, 4866, 5358, 8110, 8930, 12165, 13395, 15409, 24330, 26790, 30818, 38117, 46227, 76234, 77045, 92454, 114351, 154090, 190585, 228702, 231135, 381170, 462270, 571755, 724223, 1143510, 1448446, 2172669, 3621115, 4345338, 7242230, 10863345, 21726690]

約数ペア:

[(1, 21726690), (2, 10863345), (3, 7242230), (5, 4345338), (6, 3621115), (10, 2172669), (15, 1448446), (19, 1143510), (30, 724223), (38, 571755), (47, 462270), (57, 381170), (94, 231135), (95, 228702), (114, 190585), (141, 154090), (190, 114351), (235, 92454), (282, 77045), (285, 76234), (470, 46227), (570, 38117), (705, 30818), (811, 26790), (893, 24330), (1410, 15409), (1622, 13395), (1786, 12165), (2433, 8930), (2679, 8110), (4055, 5358), (4465, 4866)]