21723212

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{971}}^1$

素因数の和:1046

約数の個数: 48

約数和(自身を含む): 47029248

約数和(自身を除く): 25306036

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 47, 68, 94, 119, 188, 238, 329, 476, 658, 799, 971, 1316, 1598, 1942, 3196, 3884, 5593, 6797, 11186, 13594, 16507, 22372, 27188, 33014, 45637, 66028, 91274, 115549, 182548, 231098, 319459, 462196, 638918, 775829, 1277836, 1551658, 3103316, 5430803, 10861606, 21723212]

約数ペア:

[(1, 21723212), (2, 10861606), (4, 5430803), (7, 3103316), (14, 1551658), (17, 1277836), (28, 775829), (34, 638918), (47, 462196), (68, 319459), (94, 231098), (119, 182548), (188, 115549), (238, 91274), (329, 66028), (476, 45637), (658, 33014), (799, 27188), (971, 22372), (1316, 16507), (1598, 13594), (1942, 11186), (3196, 6797), (3884, 5593)]