21001516544

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:444

約数の個数: 160

約数和(自身を含む): 45254246400

約数和(自身を除く): 24252729856

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 89, 127, 128, 152, 178, 191, 254, 256, 304, 356, 382, 508, 512, 608, 712, 764, 1016, 1216, 1424, 1528, 1691, 2032, 2413, 2432, 2848, 3056, 3382, 3629, 4064, 4826, 4864, 5696, 6112, 6764, 7258, 8128, 9652, 9728, 11303, 11392, 12224, 13528, 14516, 16256, 16999, 19304, 22606, 22784, 24257, 24448, 27056, 29032, 32512, 33998, 38608, 45212, 45568, 48514, 48896, 54112, 58064, 65024, 67996, 77216, 90424, 97028, 97792, 108224, 116128, 135992, 154432, 180848, 194056, 214757, 216448, 232256, 271984, 308864, 322981, 361696, 388112, 429514, 432896, 460883, 464512, 543968, 617728, 645962, 723392, 776224, 859028, 865792, 921766, 929024, 1087936, 1235456, 1291924, 1446784, 1552448, 1718056, 1843532, 1858048, 2158873, 2175872, 2583848, 2893568, 3104896, 3436112, 3687064, 4317746, 4351744, 5167696, 5787136, 6209792, 6872224, 7374128, 8635492, 8703488, 10335392, 12419584, 13744448, 14748256, 17270984, 20670784, 27488896, 29496512, 34541968, 41018587, 41341568, 54977792, 58993024, 69083936, 82037174, 82683136, 109955584, 117986048, 138167872, 164074348, 165366272, 235972096, 276335744, 328148696, 552671488, 656297392, 1105342976, 1312594784, 2625189568, 5250379136, 10500758272, 21001516544]

約数ペア:

[(1, 21001516544), (2, 10500758272), (4, 5250379136), (8, 2625189568), (16, 1312594784), (19, 1105342976), (32, 656297392), (38, 552671488), (64, 328148696), (76, 276335744), (89, 235972096), (127, 165366272), (128, 164074348), (152, 138167872), (178, 117986048), (191, 109955584), (254, 82683136), (256, 82037174), (304, 69083936), (356, 58993024), (382, 54977792), (508, 41341568), (512, 41018587), (608, 34541968), (712, 29496512), (764, 27488896), (1016, 20670784), (1216, 17270984), (1424, 14748256), (1528, 13744448), (1691, 12419584), (2032, 10335392), (2413, 8703488), (2432, 8635492), (2848, 7374128), (3056, 6872224), (3382, 6209792), (3629, 5787136), (4064, 5167696), (4826, 4351744), (4864, 4317746), (5696, 3687064), (6112, 3436112), (6764, 3104896), (7258, 2893568), (8128, 2583848), (9652, 2175872), (9728, 2158873), (11303, 1858048), (11392, 1843532), (12224, 1718056), (13528, 1552448), (14516, 1446784), (16256, 1291924), (16999, 1235456), (19304, 1087936), (22606, 929024), (22784, 921766), (24257, 865792), (24448, 859028), (27056, 776224), (29032, 723392), (32512, 645962), (33998, 617728), (38608, 543968), (45212, 464512), (45568, 460883), (48514, 432896), (48896, 429514), (54112, 388112), (58064, 361696), (65024, 322981), (67996, 308864), (77216, 271984), (90424, 232256), (97028, 216448), (97792, 214757), (108224, 194056), (116128, 180848), (135992, 154432)]