21492692

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{593}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 44008272

約数和(自身を除く): 22515580

約数列:

[1, 2, 4, 13, 17, 26, 34, 41, 52, 68, 82, 164, 221, 442, 533, 593, 697, 884, 1066, 1186, 1394, 2132, 2372, 2788, 7709, 9061, 10081, 15418, 18122, 20162, 24313, 30836, 36244, 40324, 48626, 97252, 131053, 262106, 316069, 413321, 524212, 632138, 826642, 1264276, 1653284, 5373173, 10746346, 21492692]

約数ペア:

[(1, 21492692), (2, 10746346), (4, 5373173), (13, 1653284), (17, 1264276), (26, 826642), (34, 632138), (41, 524212), (52, 413321), (68, 316069), (82, 262106), (164, 131053), (221, 97252), (442, 48626), (533, 40324), (593, 36244), (697, 30836), (884, 24313), (1066, 20162), (1186, 18122), (1394, 15418), (2132, 10081), (2372, 9061), (2788, 7709)]