20921964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13109}}^1$

素因数の和:13142

約数の個数: 48

約数和(自身を含む): 58732800

約数和(自身を除く): 37810836

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 13109, 26218, 39327, 52436, 78654, 91763, 157308, 183526, 249071, 275289, 367052, 498142, 550578, 747213, 996284, 1101156, 1494426, 1743497, 2988852, 3486994, 5230491, 6973988, 10460982, 20921964]

約数ペア:

[(1, 20921964), (2, 10460982), (3, 6973988), (4, 5230491), (6, 3486994), (7, 2988852), (12, 1743497), (14, 1494426), (19, 1101156), (21, 996284), (28, 747213), (38, 550578), (42, 498142), (57, 367052), (76, 275289), (84, 249071), (114, 183526), (133, 157308), (228, 91763), (266, 78654), (399, 52436), (532, 39327), (798, 26218), (1596, 13109)]