21787858488

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{727}}^1\times {\mathrm{1861}}^1$

素因数の和:2669

約数の個数: 128

約数和(自身を含む): 60511127040

約数和(自身を除く): 38723268552

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 61, 66, 88, 122, 132, 183, 244, 264, 366, 488, 671, 727, 732, 1342, 1454, 1464, 1861, 2013, 2181, 2684, 2908, 3722, 4026, 4362, 5368, 5583, 5816, 7444, 7997, 8052, 8724, 11166, 14888, 15994, 16104, 17448, 20471, 22332, 23991, 31988, 40942, 44347, 44664, 47982, 61413, 63976, 81884, 88694, 95964, 113521, 122826, 133041, 163768, 177388, 191928, 227042, 245652, 266082, 340563, 354776, 454084, 487817, 491304, 532164, 681126, 908168, 975634, 1064328, 1248731, 1352947, 1362252, 1463451, 1951268, 2497462, 2705894, 2724504, 2926902, 3746193, 3902536, 4058841, 4994924, 5411788, 5853804, 7492386, 8117682, 9989848, 10823576, 11707608, 14882417, 14984772, 16235364, 29764834, 29969544, 32470728, 44647251, 59529668, 82529767, 89294502, 119059336, 165059534, 178589004, 247589301, 330119068, 357178008, 495178602, 660238136, 907827437, 990357204, 1815654874, 1980714408, 2723482311, 3631309748, 5446964622, 7262619496, 10893929244, 21787858488]

約数ペア:

[(1, 21787858488), (2, 10893929244), (3, 7262619496), (4, 5446964622), (6, 3631309748), (8, 2723482311), (11, 1980714408), (12, 1815654874), (22, 990357204), (24, 907827437), (33, 660238136), (44, 495178602), (61, 357178008), (66, 330119068), (88, 247589301), (122, 178589004), (132, 165059534), (183, 119059336), (244, 89294502), (264, 82529767), (366, 59529668), (488, 44647251), (671, 32470728), (727, 29969544), (732, 29764834), (1342, 16235364), (1454, 14984772), (1464, 14882417), (1861, 11707608), (2013, 10823576), (2181, 9989848), (2684, 8117682), (2908, 7492386), (3722, 5853804), (4026, 5411788), (4362, 4994924), (5368, 4058841), (5583, 3902536), (5816, 3746193), (7444, 2926902), (7997, 2724504), (8052, 2705894), (8724, 2497462), (11166, 1951268), (14888, 1463451), (15994, 1362252), (16104, 1352947), (17448, 1248731), (20471, 1064328), (22332, 975634), (23991, 908168), (31988, 681126), (40942, 532164), (44347, 491304), (44664, 487817), (47982, 454084), (61413, 354776), (63976, 340563), (81884, 266082), (88694, 245652), (95964, 227042), (113521, 191928), (122826, 177388), (133041, 163768)]