21230088

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:155

約数の個数: 128

約数和(自身を含む): 62208000

約数和(自身を除く): 40977912

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 29, 33, 44, 47, 58, 59, 66, 87, 88, 94, 116, 118, 132, 141, 174, 177, 188, 232, 236, 264, 282, 319, 348, 354, 376, 472, 517, 564, 638, 649, 696, 708, 957, 1034, 1128, 1276, 1298, 1363, 1416, 1551, 1711, 1914, 1947, 2068, 2552, 2596, 2726, 2773, 3102, 3422, 3828, 3894, 4089, 4136, 5133, 5192, 5452, 5546, 6204, 6844, 7656, 7788, 8178, 8319, 10266, 10904, 11092, 12408, 13688, 14993, 15576, 16356, 16638, 18821, 20532, 22184, 29986, 30503, 32712, 33276, 37642, 41064, 44979, 56463, 59972, 61006, 66552, 75284, 80417, 89958, 91509, 112926, 119944, 122012, 150568, 160834, 179916, 183018, 225852, 241251, 244024, 321668, 359832, 366036, 451704, 482502, 643336, 732072, 884587, 965004, 1769174, 1930008, 2653761, 3538348, 5307522, 7076696, 10615044, 21230088]

約数ペア:

[(1, 21230088), (2, 10615044), (3, 7076696), (4, 5307522), (6, 3538348), (8, 2653761), (11, 1930008), (12, 1769174), (22, 965004), (24, 884587), (29, 732072), (33, 643336), (44, 482502), (47, 451704), (58, 366036), (59, 359832), (66, 321668), (87, 244024), (88, 241251), (94, 225852), (116, 183018), (118, 179916), (132, 160834), (141, 150568), (174, 122012), (177, 119944), (188, 112926), (232, 91509), (236, 89958), (264, 80417), (282, 75284), (319, 66552), (348, 61006), (354, 59972), (376, 56463), (472, 44979), (517, 41064), (564, 37642), (638, 33276), (649, 32712), (696, 30503), (708, 29986), (957, 22184), (1034, 20532), (1128, 18821), (1276, 16638), (1298, 16356), (1363, 15576), (1416, 14993), (1551, 13688), (1711, 12408), (1914, 11092), (1947, 10904), (2068, 10266), (2552, 8319), (2596, 8178), (2726, 7788), (2773, 7656), (3102, 6844), (3422, 6204), (3828, 5546), (3894, 5452), (4089, 5192), (4136, 5133)]