21853128

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:163

約数の個数: 128

約数和(自身を含む): 64281600

約数和(自身を除く): 42428472

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 23, 24, 33, 44, 46, 59, 61, 66, 69, 88, 92, 118, 122, 132, 138, 177, 183, 184, 236, 244, 253, 264, 276, 354, 366, 472, 488, 506, 552, 649, 671, 708, 732, 759, 1012, 1298, 1342, 1357, 1403, 1416, 1464, 1518, 1947, 2013, 2024, 2596, 2684, 2714, 2806, 3036, 3599, 3894, 4026, 4071, 4209, 5192, 5368, 5428, 5612, 6072, 7198, 7788, 8052, 8142, 8418, 10797, 10856, 11224, 14396, 14927, 15433, 15576, 16104, 16284, 16836, 21594, 28792, 29854, 30866, 32568, 33672, 39589, 43188, 44781, 46299, 59708, 61732, 79178, 82777, 86376, 89562, 92598, 118767, 119416, 123464, 158356, 165554, 179124, 185196, 237534, 248331, 316712, 331108, 358248, 370392, 475068, 496662, 662216, 910547, 950136, 993324, 1821094, 1986648, 2731641, 3642188, 5463282, 7284376, 10926564, 21853128]

約数ペア:

[(1, 21853128), (2, 10926564), (3, 7284376), (4, 5463282), (6, 3642188), (8, 2731641), (11, 1986648), (12, 1821094), (22, 993324), (23, 950136), (24, 910547), (33, 662216), (44, 496662), (46, 475068), (59, 370392), (61, 358248), (66, 331108), (69, 316712), (88, 248331), (92, 237534), (118, 185196), (122, 179124), (132, 165554), (138, 158356), (177, 123464), (183, 119416), (184, 118767), (236, 92598), (244, 89562), (253, 86376), (264, 82777), (276, 79178), (354, 61732), (366, 59708), (472, 46299), (488, 44781), (506, 43188), (552, 39589), (649, 33672), (671, 32568), (708, 30866), (732, 29854), (759, 28792), (1012, 21594), (1298, 16836), (1342, 16284), (1357, 16104), (1403, 15576), (1416, 15433), (1464, 14927), (1518, 14396), (1947, 11224), (2013, 10856), (2024, 10797), (2596, 8418), (2684, 8142), (2714, 8052), (2806, 7788), (3036, 7198), (3599, 6072), (3894, 5612), (4026, 5428), (4071, 5368), (4209, 5192)]