21754620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6361}}^1$

素因数の和:6395

約数の個数: 72

約数和(自身を含む): 69473040

約数和(自身を除く): 47718420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 6361, 12722, 19083, 25444, 31805, 38166, 57249, 63610, 76332, 95415, 114498, 120859, 127220, 190830, 228996, 241718, 286245, 362577, 381660, 483436, 572490, 604295, 725154, 1087731, 1144980, 1208590, 1450308, 1812885, 2175462, 2417180, 3625770, 4350924, 5438655, 7251540, 10877310, 21754620]

約数ペア:

[(1, 21754620), (2, 10877310), (3, 7251540), (4, 5438655), (5, 4350924), (6, 3625770), (9, 2417180), (10, 2175462), (12, 1812885), (15, 1450308), (18, 1208590), (19, 1144980), (20, 1087731), (30, 725154), (36, 604295), (38, 572490), (45, 483436), (57, 381660), (60, 362577), (76, 286245), (90, 241718), (95, 228996), (114, 190830), (171, 127220), (180, 120859), (190, 114498), (228, 95415), (285, 76332), (342, 63610), (380, 57249), (570, 38166), (684, 31805), (855, 25444), (1140, 19083), (1710, 12722), (3420, 6361)]