21996832

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:87

約数の個数: 144

約数和(自身を含む): 56306880

約数和(自身を除く): 34310048

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 23, 26, 32, 38, 44, 46, 52, 76, 88, 92, 104, 121, 143, 152, 176, 184, 208, 209, 242, 247, 253, 286, 299, 304, 352, 368, 416, 418, 437, 484, 494, 506, 572, 598, 608, 736, 836, 874, 968, 988, 1012, 1144, 1196, 1573, 1672, 1748, 1936, 1976, 2024, 2288, 2299, 2392, 2717, 2783, 3146, 3289, 3344, 3496, 3872, 3952, 4048, 4576, 4598, 4784, 4807, 5434, 5566, 5681, 6292, 6578, 6688, 6992, 7904, 8096, 9196, 9568, 9614, 10868, 11132, 11362, 12584, 13156, 13984, 18392, 19228, 21736, 22264, 22724, 25168, 26312, 29887, 36179, 36784, 38456, 43472, 44528, 45448, 50336, 52624, 52877, 59774, 62491, 72358, 73568, 76912, 86944, 89056, 90896, 105248, 105754, 119548, 124982, 144716, 153824, 181792, 211508, 239096, 249964, 289432, 423016, 478192, 499928, 578864, 687401, 846032, 956384, 999856, 1157728, 1374802, 1692064, 1999712, 2749604, 5499208, 10998416, 21996832]

約数ペア:

[(1, 21996832), (2, 10998416), (4, 5499208), (8, 2749604), (11, 1999712), (13, 1692064), (16, 1374802), (19, 1157728), (22, 999856), (23, 956384), (26, 846032), (32, 687401), (38, 578864), (44, 499928), (46, 478192), (52, 423016), (76, 289432), (88, 249964), (92, 239096), (104, 211508), (121, 181792), (143, 153824), (152, 144716), (176, 124982), (184, 119548), (208, 105754), (209, 105248), (242, 90896), (247, 89056), (253, 86944), (286, 76912), (299, 73568), (304, 72358), (352, 62491), (368, 59774), (416, 52877), (418, 52624), (437, 50336), (484, 45448), (494, 44528), (506, 43472), (572, 38456), (598, 36784), (608, 36179), (736, 29887), (836, 26312), (874, 25168), (968, 22724), (988, 22264), (1012, 21736), (1144, 19228), (1196, 18392), (1573, 13984), (1672, 13156), (1748, 12584), (1936, 11362), (1976, 11132), (2024, 10868), (2288, 9614), (2299, 9568), (2392, 9196), (2717, 8096), (2783, 7904), (3146, 6992), (3289, 6688), (3344, 6578), (3496, 6292), (3872, 5681), (3952, 5566), (4048, 5434), (4576, 4807), (4598, 4784)]