21741624

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1$

素因数の和:745

約数の個数: 96

約数和(自身を含む): 64771200

約数和(自身を除く): 43029576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 23, 24, 36, 38, 46, 57, 69, 72, 76, 92, 114, 138, 152, 171, 184, 207, 228, 276, 342, 414, 437, 456, 552, 684, 691, 828, 874, 1311, 1368, 1382, 1656, 1748, 2073, 2622, 2764, 3496, 3933, 4146, 5244, 5528, 6219, 7866, 8292, 10488, 12438, 13129, 15732, 15893, 16584, 24876, 26258, 31464, 31786, 39387, 47679, 49752, 52516, 63572, 78774, 95358, 105032, 118161, 127144, 143037, 157548, 190716, 236322, 286074, 301967, 315096, 381432, 472644, 572148, 603934, 905901, 945288, 1144296, 1207868, 1811802, 2415736, 2717703, 3623604, 5435406, 7247208, 10870812, 21741624]

約数ペア:

[(1, 21741624), (2, 10870812), (3, 7247208), (4, 5435406), (6, 3623604), (8, 2717703), (9, 2415736), (12, 1811802), (18, 1207868), (19, 1144296), (23, 945288), (24, 905901), (36, 603934), (38, 572148), (46, 472644), (57, 381432), (69, 315096), (72, 301967), (76, 286074), (92, 236322), (114, 190716), (138, 157548), (152, 143037), (171, 127144), (184, 118161), (207, 105032), (228, 95358), (276, 78774), (342, 63572), (414, 52516), (437, 49752), (456, 47679), (552, 39387), (684, 31786), (691, 31464), (828, 26258), (874, 24876), (1311, 16584), (1368, 15893), (1382, 15732), (1656, 13129), (1748, 12438), (2073, 10488), (2622, 8292), (2764, 7866), (3496, 6219), (3933, 5528), (4146, 5244)]