21560448

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1$

素因数の和:654

約数の個数: 128

約数和(自身を含む): 70600320

約数和(自身を除く): 49039872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 64, 78, 84, 91, 96, 104, 112, 128, 156, 168, 182, 192, 208, 224, 273, 312, 336, 364, 384, 416, 448, 546, 617, 624, 672, 728, 832, 896, 1092, 1234, 1248, 1344, 1456, 1664, 1851, 2184, 2468, 2496, 2688, 2912, 3702, 4319, 4368, 4936, 4992, 5824, 7404, 8021, 8638, 8736, 9872, 11648, 12957, 14808, 16042, 17276, 17472, 19744, 24063, 25914, 29616, 32084, 34552, 34944, 39488, 48126, 51828, 56147, 59232, 64168, 69104, 78976, 96252, 103656, 112294, 118464, 128336, 138208, 168441, 192504, 207312, 224588, 236928, 256672, 276416, 336882, 385008, 414624, 449176, 513344, 552832, 673764, 770016, 829248, 898352, 1026688, 1347528, 1540032, 1658496, 1796704, 2695056, 3080064, 3593408, 5390112, 7186816, 10780224, 21560448]

約数ペア:

[(1, 21560448), (2, 10780224), (3, 7186816), (4, 5390112), (6, 3593408), (7, 3080064), (8, 2695056), (12, 1796704), (13, 1658496), (14, 1540032), (16, 1347528), (21, 1026688), (24, 898352), (26, 829248), (28, 770016), (32, 673764), (39, 552832), (42, 513344), (48, 449176), (52, 414624), (56, 385008), (64, 336882), (78, 276416), (84, 256672), (91, 236928), (96, 224588), (104, 207312), (112, 192504), (128, 168441), (156, 138208), (168, 128336), (182, 118464), (192, 112294), (208, 103656), (224, 96252), (273, 78976), (312, 69104), (336, 64168), (364, 59232), (384, 56147), (416, 51828), (448, 48126), (546, 39488), (617, 34944), (624, 34552), (672, 32084), (728, 29616), (832, 25914), (896, 24063), (1092, 19744), (1234, 17472), (1248, 17276), (1344, 16042), (1456, 14808), (1664, 12957), (1851, 11648), (2184, 9872), (2468, 8736), (2496, 8638), (2688, 8021), (2912, 7404), (3702, 5824), (4319, 4992), (4368, 4936)]