21588952

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{347}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 51114240

約数和(自身を除く): 29525288

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 101, 154, 202, 308, 347, 404, 616, 694, 707, 808, 1111, 1388, 1414, 2222, 2429, 2776, 2828, 3817, 4444, 4858, 5656, 7634, 7777, 8888, 9716, 15268, 15554, 19432, 26719, 30536, 31108, 35047, 53438, 62216, 70094, 106876, 140188, 213752, 245329, 280376, 385517, 490658, 771034, 981316, 1542068, 1962632, 2698619, 3084136, 5397238, 10794476, 21588952]

約数ペア:

[(1, 21588952), (2, 10794476), (4, 5397238), (7, 3084136), (8, 2698619), (11, 1962632), (14, 1542068), (22, 981316), (28, 771034), (44, 490658), (56, 385517), (77, 280376), (88, 245329), (101, 213752), (154, 140188), (202, 106876), (308, 70094), (347, 62216), (404, 53438), (616, 35047), (694, 31108), (707, 30536), (808, 26719), (1111, 19432), (1388, 15554), (1414, 15268), (2222, 9716), (2429, 8888), (2776, 7777), (2828, 7634), (3817, 5656), (4444, 4858)]