21085707984

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{8287}}^1$

素因数の和:8449

約数の個数: 160

約数和(自身を含む): 61169418240

約数和(自身を除く): 40083710256

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 61, 66, 79, 88, 122, 132, 158, 176, 183, 237, 244, 264, 316, 366, 474, 488, 528, 632, 671, 732, 869, 948, 976, 1264, 1342, 1464, 1738, 1896, 2013, 2607, 2684, 2928, 3476, 3792, 4026, 4819, 5214, 5368, 6952, 8052, 8287, 9638, 10428, 10736, 13904, 14457, 16104, 16574, 19276, 20856, 24861, 28914, 32208, 33148, 38552, 41712, 49722, 53009, 57828, 66296, 77104, 91157, 99444, 106018, 115656, 132592, 159027, 182314, 198888, 212036, 231312, 273471, 318054, 364628, 397776, 424072, 505507, 546942, 636108, 654673, 729256, 848144, 1011014, 1093884, 1272216, 1309346, 1458512, 1516521, 1964019, 2022028, 2187768, 2544432, 2618692, 3033042, 3928038, 4044056, 4375536, 5237384, 5560577, 6066084, 7201403, 7856076, 8088112, 10474768, 11121154, 12132168, 14402806, 15712152, 16681731, 21604209, 22242308, 24264336, 28805612, 31424304, 33363462, 39935053, 43208418, 44484616, 57611224, 66726924, 79870106, 86416836, 88969232, 115222448, 119805159, 133453848, 159740212, 172833672, 239610318, 266907696, 319480424, 345667344, 439285583, 479220636, 638960848, 878571166, 958441272, 1317856749, 1757142332, 1916882544, 2635713498, 3514284664, 5271426996, 7028569328, 10542853992, 21085707984]

約数ペア:

[(1, 21085707984), (2, 10542853992), (3, 7028569328), (4, 5271426996), (6, 3514284664), (8, 2635713498), (11, 1916882544), (12, 1757142332), (16, 1317856749), (22, 958441272), (24, 878571166), (33, 638960848), (44, 479220636), (48, 439285583), (61, 345667344), (66, 319480424), (79, 266907696), (88, 239610318), (122, 172833672), (132, 159740212), (158, 133453848), (176, 119805159), (183, 115222448), (237, 88969232), (244, 86416836), (264, 79870106), (316, 66726924), (366, 57611224), (474, 44484616), (488, 43208418), (528, 39935053), (632, 33363462), (671, 31424304), (732, 28805612), (869, 24264336), (948, 22242308), (976, 21604209), (1264, 16681731), (1342, 15712152), (1464, 14402806), (1738, 12132168), (1896, 11121154), (2013, 10474768), (2607, 8088112), (2684, 7856076), (2928, 7201403), (3476, 6066084), (3792, 5560577), (4026, 5237384), (4819, 4375536), (5214, 4044056), (5368, 3928038), (6952, 3033042), (8052, 2618692), (8287, 2544432), (9638, 2187768), (10428, 2022028), (10736, 1964019), (13904, 1516521), (14457, 1458512), (16104, 1309346), (16574, 1272216), (19276, 1093884), (20856, 1011014), (24861, 848144), (28914, 729256), (32208, 654673), (33148, 636108), (38552, 546942), (41712, 505507), (49722, 424072), (53009, 397776), (57828, 364628), (66296, 318054), (77104, 273471), (91157, 231312), (99444, 212036), (106018, 198888), (115656, 182314), (132592, 159027)]