21640116

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 56996352

約数和(自身を除く): 35356236

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 37, 47, 51, 61, 68, 74, 94, 102, 111, 122, 141, 148, 183, 188, 204, 222, 244, 282, 366, 444, 564, 629, 732, 799, 1037, 1258, 1598, 1739, 1887, 2074, 2257, 2397, 2516, 2867, 3111, 3196, 3478, 3774, 4148, 4514, 4794, 5217, 5734, 6222, 6771, 6956, 7548, 8601, 9028, 9588, 10434, 11468, 12444, 13542, 17202, 20868, 27084, 29563, 34404, 38369, 48739, 59126, 76738, 88689, 97478, 106079, 115107, 118252, 146217, 153476, 177378, 194956, 212158, 230214, 292434, 318237, 354756, 424316, 460428, 584868, 636474, 1272948, 1803343, 3606686, 5410029, 7213372, 10820058, 21640116]

約数ペア:

[(1, 21640116), (2, 10820058), (3, 7213372), (4, 5410029), (6, 3606686), (12, 1803343), (17, 1272948), (34, 636474), (37, 584868), (47, 460428), (51, 424316), (61, 354756), (68, 318237), (74, 292434), (94, 230214), (102, 212158), (111, 194956), (122, 177378), (141, 153476), (148, 146217), (183, 118252), (188, 115107), (204, 106079), (222, 97478), (244, 88689), (282, 76738), (366, 59126), (444, 48739), (564, 38369), (629, 34404), (732, 29563), (799, 27084), (1037, 20868), (1258, 17202), (1598, 13542), (1739, 12444), (1887, 11468), (2074, 10434), (2257, 9588), (2397, 9028), (2516, 8601), (2867, 7548), (3111, 6956), (3196, 6771), (3478, 6222), (3774, 5734), (4148, 5217), (4514, 4794)]