21893586

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 36167214

約数列:

[1, 2, 3, 6, 11, 13, 17, 19, 22, 26, 33, 34, 38, 39, 51, 57, 66, 78, 79, 102, 114, 143, 158, 187, 209, 221, 237, 247, 286, 323, 374, 418, 429, 442, 474, 494, 561, 627, 646, 663, 741, 858, 869, 969, 1027, 1122, 1254, 1326, 1343, 1482, 1501, 1738, 1938, 2054, 2431, 2607, 2686, 2717, 3002, 3081, 3553, 4029, 4199, 4503, 4862, 5214, 5434, 6162, 7106, 7293, 8058, 8151, 8398, 9006, 10659, 11297, 12597, 14586, 14773, 16302, 16511, 17459, 19513, 21318, 22594, 25194, 25517, 29546, 33022, 33891, 34918, 39026, 44319, 46189, 49533, 51034, 52377, 58539, 67782, 76551, 88638, 92378, 99066, 104754, 117078, 138567, 153102, 192049, 214643, 277134, 280687, 331721, 384098, 429286, 561374, 576147, 643929, 663442, 842061, 995163, 1152294, 1287858, 1684122, 1990326, 3648931, 7297862, 10946793, 21893586]

約数ペア:

[(1, 21893586), (2, 10946793), (3, 7297862), (6, 3648931), (11, 1990326), (13, 1684122), (17, 1287858), (19, 1152294), (22, 995163), (26, 842061), (33, 663442), (34, 643929), (38, 576147), (39, 561374), (51, 429286), (57, 384098), (66, 331721), (78, 280687), (79, 277134), (102, 214643), (114, 192049), (143, 153102), (158, 138567), (187, 117078), (209, 104754), (221, 99066), (237, 92378), (247, 88638), (286, 76551), (323, 67782), (374, 58539), (418, 52377), (429, 51034), (442, 49533), (474, 46189), (494, 44319), (561, 39026), (627, 34918), (646, 33891), (663, 33022), (741, 29546), (858, 25517), (869, 25194), (969, 22594), (1027, 21318), (1122, 19513), (1254, 17459), (1326, 16511), (1343, 16302), (1482, 14773), (1501, 14586), (1738, 12597), (1938, 11297), (2054, 10659), (2431, 9006), (2607, 8398), (2686, 8151), (2717, 8058), (3002, 7293), (3081, 7106), (3553, 6162), (4029, 5434), (4199, 5214), (4503, 4862)]