21073888

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:200

約数の個数: 96

約数和(自身を含む): 50077440

約数和(自身を除く): 29003552

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 23, 32, 38, 44, 46, 76, 88, 92, 137, 152, 176, 184, 209, 253, 274, 304, 352, 368, 418, 437, 506, 548, 608, 736, 836, 874, 1012, 1096, 1507, 1672, 1748, 2024, 2192, 2603, 3014, 3151, 3344, 3496, 4048, 4384, 4807, 5206, 6028, 6302, 6688, 6992, 8096, 9614, 10412, 12056, 12604, 13984, 19228, 20824, 24112, 25208, 28633, 34661, 38456, 41648, 48224, 50416, 57266, 59869, 69322, 76912, 83296, 100832, 114532, 119738, 138644, 153824, 229064, 239476, 277288, 458128, 478952, 554576, 658559, 916256, 957904, 1109152, 1317118, 1915808, 2634236, 5268472, 10536944, 21073888]

約数ペア:

[(1, 21073888), (2, 10536944), (4, 5268472), (8, 2634236), (11, 1915808), (16, 1317118), (19, 1109152), (22, 957904), (23, 916256), (32, 658559), (38, 554576), (44, 478952), (46, 458128), (76, 277288), (88, 239476), (92, 229064), (137, 153824), (152, 138644), (176, 119738), (184, 114532), (209, 100832), (253, 83296), (274, 76912), (304, 69322), (352, 59869), (368, 57266), (418, 50416), (437, 48224), (506, 41648), (548, 38456), (608, 34661), (736, 28633), (836, 25208), (874, 24112), (1012, 20824), (1096, 19228), (1507, 13984), (1672, 12604), (1748, 12056), (2024, 10412), (2192, 9614), (2603, 8096), (3014, 6992), (3151, 6688), (3344, 6302), (3496, 6028), (4048, 5206), (4384, 4807)]