21324004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 21576476

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 113, 191, 226, 247, 382, 452, 494, 764, 988, 1469, 2147, 2483, 2938, 3629, 4294, 4966, 5876, 7258, 8588, 9932, 14516, 21583, 27911, 43166, 47177, 55822, 86332, 94354, 111644, 188708, 280579, 410077, 561158, 820154, 1122316, 1640308, 5331001, 10662002, 21324004]

約数ペア:

[(1, 21324004), (2, 10662002), (4, 5331001), (13, 1640308), (19, 1122316), (26, 820154), (38, 561158), (52, 410077), (76, 280579), (113, 188708), (191, 111644), (226, 94354), (247, 86332), (382, 55822), (452, 47177), (494, 43166), (764, 27911), (988, 21583), (1469, 14516), (2147, 9932), (2483, 8588), (2938, 7258), (3629, 5876), (4294, 4966)]