21551448

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{349}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 56448000

約数和(自身を除く): 34896552

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 83, 93, 124, 166, 186, 248, 249, 332, 349, 372, 498, 664, 698, 744, 996, 1047, 1396, 1992, 2094, 2573, 2792, 4188, 5146, 7719, 8376, 10292, 10819, 15438, 20584, 21638, 28967, 30876, 32457, 43276, 57934, 61752, 64914, 86552, 86901, 115868, 129828, 173802, 231736, 259656, 347604, 695208, 897977, 1795954, 2693931, 3591908, 5387862, 7183816, 10775724, 21551448]

約数ペア:

[(1, 21551448), (2, 10775724), (3, 7183816), (4, 5387862), (6, 3591908), (8, 2693931), (12, 1795954), (24, 897977), (31, 695208), (62, 347604), (83, 259656), (93, 231736), (124, 173802), (166, 129828), (186, 115868), (248, 86901), (249, 86552), (332, 64914), (349, 61752), (372, 57934), (498, 43276), (664, 32457), (698, 30876), (744, 28967), (996, 21638), (1047, 20584), (1396, 15438), (1992, 10819), (2094, 10292), (2573, 8376), (2792, 7719), (4188, 5146)]