21972879006

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1\times {\mathrm{283}}^1$

素因数の和:630

約数の個数: 128

約数和(自身を含む): 49055569920

約数和(自身を除く): 27082690914

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 83, 134, 166, 179, 201, 249, 283, 358, 402, 498, 537, 566, 849, 871, 1074, 1079, 1698, 1742, 2158, 2327, 2613, 3237, 3679, 4654, 5226, 5561, 6474, 6981, 7358, 11037, 11122, 11993, 13962, 14857, 16683, 18961, 22074, 23489, 23986, 29714, 33366, 35979, 37922, 44571, 46978, 50657, 56883, 70467, 71958, 72293, 89142, 101314, 113766, 140934, 144586, 151971, 155909, 193141, 216879, 246493, 303942, 305357, 311818, 386282, 433758, 467727, 492986, 579423, 610714, 658541, 739479, 916071, 935454, 995419, 1158846, 1317082, 1478958, 1573763, 1832142, 1975623, 1990838, 2986257, 3147526, 3394019, 3951246, 4204531, 4721289, 5972514, 6788038, 8409062, 9442578, 10182057, 12613593, 12940447, 20364114, 20458919, 25227186, 25880894, 38821341, 40917838, 44122247, 54658903, 61376757, 77642682, 88244494, 109317806, 122753514, 132366741, 163976709, 264733482, 281703577, 327953418, 563407154, 845110731, 1690221462, 3662146501, 7324293002, 10986439503, 21972879006]

約数ペア:

[(1, 21972879006), (2, 10986439503), (3, 7324293002), (6, 3662146501), (13, 1690221462), (26, 845110731), (39, 563407154), (67, 327953418), (78, 281703577), (83, 264733482), (134, 163976709), (166, 132366741), (179, 122753514), (201, 109317806), (249, 88244494), (283, 77642682), (358, 61376757), (402, 54658903), (498, 44122247), (537, 40917838), (566, 38821341), (849, 25880894), (871, 25227186), (1074, 20458919), (1079, 20364114), (1698, 12940447), (1742, 12613593), (2158, 10182057), (2327, 9442578), (2613, 8409062), (3237, 6788038), (3679, 5972514), (4654, 4721289), (5226, 4204531), (5561, 3951246), (6474, 3394019), (6981, 3147526), (7358, 2986257), (11037, 1990838), (11122, 1975623), (11993, 1832142), (13962, 1573763), (14857, 1478958), (16683, 1317082), (18961, 1158846), (22074, 995419), (23489, 935454), (23986, 916071), (29714, 739479), (33366, 658541), (35979, 610714), (37922, 579423), (44571, 492986), (46978, 467727), (50657, 433758), (56883, 386282), (70467, 311818), (71958, 305357), (72293, 303942), (89142, 246493), (101314, 216879), (113766, 193141), (140934, 155909), (144586, 151971)]