21514290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1933}}^1$

素因数の和:2003

約数の個数: 64

約数和(自身を含む): 60155136

約数和(自身を除く): 38640846

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 53, 70, 105, 106, 159, 210, 265, 318, 371, 530, 742, 795, 1113, 1590, 1855, 1933, 2226, 3710, 3866, 5565, 5799, 9665, 11130, 11598, 13531, 19330, 27062, 28995, 40593, 57990, 67655, 81186, 102449, 135310, 202965, 204898, 307347, 405930, 512245, 614694, 717143, 1024490, 1434286, 1536735, 2151429, 3073470, 3585715, 4302858, 7171430, 10757145, 21514290]

約数ペア:

[(1, 21514290), (2, 10757145), (3, 7171430), (5, 4302858), (6, 3585715), (7, 3073470), (10, 2151429), (14, 1536735), (15, 1434286), (21, 1024490), (30, 717143), (35, 614694), (42, 512245), (53, 405930), (70, 307347), (105, 204898), (106, 202965), (159, 135310), (210, 102449), (265, 81186), (318, 67655), (371, 57990), (530, 40593), (742, 28995), (795, 27062), (1113, 19330), (1590, 13531), (1855, 11598), (1933, 11130), (2226, 9665), (3710, 5799), (3866, 5565)]