21821542288

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{541}}^1\times {\mathrm{2131}}^1$

素因数の和:2713

約数の個数: 120

約数和(自身を含む): 52443208896

約数和(自身を除く): 30621666608

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 338, 364, 541, 676, 728, 1082, 1183, 1352, 1456, 2131, 2164, 2366, 2704, 3787, 4262, 4328, 4732, 7033, 7574, 8524, 8656, 9464, 14066, 14917, 15148, 17048, 18928, 27703, 28132, 29834, 30296, 34096, 49231, 55406, 56264, 59668, 60592, 91429, 98462, 110812, 112528, 119336, 182858, 193921, 196924, 221624, 238672, 360139, 365716, 387842, 393848, 443248, 640003, 720278, 731432, 775684, 787696, 1152871, 1280006, 1440556, 1462864, 1551368, 2305742, 2520973, 2560012, 2881112, 3102736, 4611484, 5041946, 5120024, 5762224, 8070097, 9222968, 10083892, 10240048, 14987323, 16140194, 18445936, 20167784, 29974646, 32280388, 40335568, 59949292, 64560776, 104911261, 119898584, 129121552, 194835199, 209822522, 239797168, 389670398, 419645044, 779340796, 839290088, 1363846393, 1558681592, 1678580176, 2727692786, 3117363184, 5455385572, 10910771144, 21821542288]

約数ペア:

[(1, 21821542288), (2, 10910771144), (4, 5455385572), (7, 3117363184), (8, 2727692786), (13, 1678580176), (14, 1558681592), (16, 1363846393), (26, 839290088), (28, 779340796), (52, 419645044), (56, 389670398), (91, 239797168), (104, 209822522), (112, 194835199), (169, 129121552), (182, 119898584), (208, 104911261), (338, 64560776), (364, 59949292), (541, 40335568), (676, 32280388), (728, 29974646), (1082, 20167784), (1183, 18445936), (1352, 16140194), (1456, 14987323), (2131, 10240048), (2164, 10083892), (2366, 9222968), (2704, 8070097), (3787, 5762224), (4262, 5120024), (4328, 5041946), (4732, 4611484), (7033, 3102736), (7574, 2881112), (8524, 2560012), (8656, 2520973), (9464, 2305742), (14066, 1551368), (14917, 1462864), (15148, 1440556), (17048, 1280006), (18928, 1152871), (27703, 787696), (28132, 775684), (29834, 731432), (30296, 720278), (34096, 640003), (49231, 443248), (55406, 393848), (56264, 387842), (59668, 365716), (60592, 360139), (91429, 238672), (98462, 221624), (110812, 196924), (112528, 193921), (119336, 182858)]