21944416

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:176

約数の個数: 96

約数和(自身を含む): 51438240

約数和(自身を除く): 29493824

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 29, 32, 34, 52, 58, 68, 104, 107, 116, 136, 208, 214, 221, 232, 272, 377, 416, 428, 442, 464, 493, 544, 754, 856, 884, 928, 986, 1391, 1508, 1712, 1768, 1819, 1972, 2782, 3016, 3103, 3424, 3536, 3638, 3944, 5564, 6032, 6206, 6409, 7072, 7276, 7888, 11128, 12064, 12412, 12818, 14552, 15776, 22256, 23647, 24824, 25636, 29104, 40339, 44512, 47294, 49648, 51272, 52751, 58208, 80678, 94588, 99296, 102544, 105502, 161356, 189176, 205088, 211004, 322712, 378352, 422008, 645424, 685763, 756704, 844016, 1290848, 1371526, 1688032, 2743052, 5486104, 10972208, 21944416]

約数ペア:

[(1, 21944416), (2, 10972208), (4, 5486104), (8, 2743052), (13, 1688032), (16, 1371526), (17, 1290848), (26, 844016), (29, 756704), (32, 685763), (34, 645424), (52, 422008), (58, 378352), (68, 322712), (104, 211004), (107, 205088), (116, 189176), (136, 161356), (208, 105502), (214, 102544), (221, 99296), (232, 94588), (272, 80678), (377, 58208), (416, 52751), (428, 51272), (442, 49648), (464, 47294), (493, 44512), (544, 40339), (754, 29104), (856, 25636), (884, 24824), (928, 23647), (986, 22256), (1391, 15776), (1508, 14552), (1712, 12818), (1768, 12412), (1819, 12064), (1972, 11128), (2782, 7888), (3016, 7276), (3103, 7072), (3424, 6409), (3536, 6206), (3638, 6032), (3944, 5564)]