21010392

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{22447}}^1$

素因数の和:22472

約数の個数: 48

約数和(自身を含む): 61283040

約数和(自身を除く): 40272648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 22447, 44894, 67341, 89788, 134682, 179576, 202023, 269364, 291811, 404046, 538728, 583622, 808092, 875433, 1167244, 1616184, 1750866, 2334488, 2626299, 3501732, 5252598, 7003464, 10505196, 21010392]

約数ペア:

[(1, 21010392), (2, 10505196), (3, 7003464), (4, 5252598), (6, 3501732), (8, 2626299), (9, 2334488), (12, 1750866), (13, 1616184), (18, 1167244), (24, 875433), (26, 808092), (36, 583622), (39, 538728), (52, 404046), (72, 291811), (78, 269364), (104, 202023), (117, 179576), (156, 134682), (234, 89788), (312, 67341), (468, 44894), (936, 22447)]