21976768

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:126

約数の個数: 112

約数和(自身を含む): 52669440

約数和(自身を除く): 30692672

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 32, 38, 44, 53, 62, 64, 76, 88, 106, 124, 152, 176, 209, 212, 248, 304, 341, 352, 418, 424, 496, 583, 589, 608, 682, 704, 836, 848, 992, 1007, 1166, 1178, 1216, 1364, 1643, 1672, 1696, 1984, 2014, 2332, 2356, 2728, 3286, 3344, 3392, 4028, 4664, 4712, 5456, 6479, 6572, 6688, 8056, 9328, 9424, 10912, 11077, 12958, 13144, 13376, 16112, 18073, 18656, 18848, 21824, 22154, 25916, 26288, 31217, 32224, 36146, 37312, 37696, 44308, 51832, 52576, 62434, 64448, 72292, 88616, 103664, 105152, 124868, 144584, 177232, 207328, 249736, 289168, 343387, 354464, 414656, 499472, 578336, 686774, 708928, 998944, 1156672, 1373548, 1997888, 2747096, 5494192, 10988384, 21976768]

約数ペア:

[(1, 21976768), (2, 10988384), (4, 5494192), (8, 2747096), (11, 1997888), (16, 1373548), (19, 1156672), (22, 998944), (31, 708928), (32, 686774), (38, 578336), (44, 499472), (53, 414656), (62, 354464), (64, 343387), (76, 289168), (88, 249736), (106, 207328), (124, 177232), (152, 144584), (176, 124868), (209, 105152), (212, 103664), (248, 88616), (304, 72292), (341, 64448), (352, 62434), (418, 52576), (424, 51832), (496, 44308), (583, 37696), (589, 37312), (608, 36146), (682, 32224), (704, 31217), (836, 26288), (848, 25916), (992, 22154), (1007, 21824), (1166, 18848), (1178, 18656), (1216, 18073), (1364, 16112), (1643, 13376), (1672, 13144), (1696, 12958), (1984, 11077), (2014, 10912), (2332, 9424), (2356, 9328), (2728, 8056), (3286, 6688), (3344, 6572), (3392, 6479), (4028, 5456), (4664, 4712)]